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| cc In triangle PQR, PQ = PR and the exterior angle m∠PRS is 115. Find the measure of ∠P. cc |
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cc In triangle ABC, m∠CAB = 29 and m∠ABC = 88. Find m∠ACB.
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| cc What are the angles of a triangle which are in the ratio 4 : 5 : 6? cc |
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cc The angles of a triangle are 38o, 67o and 75o. What type of triangle is it?
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| cc In ΔABC, m∠ABC = 98, m∠BAC = 37, and m∠ACB = 45. What type of triangle is it? cc |
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| cc In ΔABC, ∠ABC = 20o and ∠ACB = 80o. What type of triangle is it? cc |
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| cc In triangle ABC, x = 50° and y = 70°. Find the measure of ∠CBD. cc |
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cc In triangle ABC, m∠CAB = 49 and m∠ABC = 75. Find m∠ACB.
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| cc What are the angles of a triangle which are in the ratio 2 : 3 : 4? cc |
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cc The angles of a triangle are 34o, 67o and 79o. What type of triangle is it?
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| cc In ΔABC, m∠ABC = 98, m∠BAC = 36, and m∠ACB = 46. What type of triangle is it? cc |
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| cc In ΔABC, one angle is 90o. What type of triangle is it? cc |
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cc In ΔABC, m∠A + m∠B = 80. Which of the following statements is always true?
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| cc m∠ABC = 90 and BD¯ is perpendicular to AC¯ in the figure. How many right triangles are there in the figure? cc |
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| cc In ΔABC, ∠ABC = 40o and ∠ACB = 70o. What type of triangle is it? cc |
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cc The figure, ABCD is a square. What type of triangles are formed, if the square is divided along the diagonal BD to form two triangles?
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| cc Which of the following is/are isosceles obtuse triangles? cc |
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cc Which of the following is/are scalene right triangles?
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cc Which of the following Venn diagrams represent the correct relationship between set of all scalene triangles and set of all isosceles triangles?
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cc In ΔABC, one angle is equal to the sum of the other two angles. Which of the following statements is always true?
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cc The angles A, B and C are in the ratio 1 : 3 : 6 in ΔABC. Which of the following statements is/are always true?
1. ΔABC is a scalene triangle
2. ΔABC is an obtuse triangle
3. ΔABC is an equilateral triangle cc |
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cc Which of the triangles numbered 1 to 4 is a scalene obtuse triangle?
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cc State whether the statement is true or false.
'Two obtuse angles exist in a triangle ' cc |
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| cc In triangle ABC, x = 40° and y = 60°. Find the measure of ∠CBD. cc |
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| cc Which of the triangles numbered 1 to 4 are obtuse triangles? cc |
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| cc What is the sum of the measures of exterior angles of a triangle? cc |
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| cc In ΔABC, m∠A + m∠B = 90. Which of the following statements is always true? cc |
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cc The ratio of the angle measures in a triangle is 1 : 2 : 3. The triangle is
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cc Find the measure of angle θ in the right triangle shown.
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| cc In which triangle, the congruent sides are called legs? cc |
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| cc Two exterior angles of a triangle are 120o and 120o. What is the third exterior angle? cc |
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| cc ∠ABC = ∠ACB = 60° in ΔABC. Find the exterior angles x and y. cc |
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| cc Which triangle is symmetrical about the bisector of any of its angles? cc |
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cc Identify the hypotenuse in the given triangle.
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| cc If one side of a triangle is greater than another, then the angle opposite to the greater side is __________ the angle opposite to the smaller side. cc |
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| cc The measures of angles of ΔABC are 2x, 4x and 6x. Find the value of x. cc |
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cc The measures of the angles of a triangle are shown below. In which case x is an integer?
Case A: x, x, 4x
Case B: 2x, 3x, 2x
Case C: 6x, 8x, 3x
Case D: 4x, 2x, 5x cc |
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| cc Find the measure of the angle numbered 6 in the figure. cc |
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| cc If AB¯ is perpendicular to BD¯, find the values of x and y. cc |
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| cc Virgo is one of the constellations of Zodaic. Three principal stars of the constellation form a triangle. If m∠S = 25 and m∠P = 135, then find the m∠V. cc |
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cc Classify the triangle by its angle and by its sides.
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| cc In a triangle XYZ, if m∠X is 20 more than m∠Y and 25 more than m∠Z, then find m∠X. cc |
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cc Which conjecture is true for the statement?
"ΔABC is isosceles."
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| cc Which conjecture is true about parallelogram? cc |
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cc Which conjecture is true about the triangles?
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| cc In traingle ABC, m∠A = (3x + 1), m∠B = 2x, m∠C = (2x + 4). Find the measure of each angle. cc |
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| f Which conjecture is true about the quadrilaterals ABCD and PQRS? f |
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f In ΔABC, m∠A + m∠B = 85. Which of the following statements is always true?
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f Which list shows all the congruent segments in the figure shown?
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