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Solved Examples
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BBB The sides of a triangle are 2, 3, and 3, then find the largest angle in the triangle to the nearest degree. BBB View Solution
BBB ABCDEF is a regular hexagon inscribed in a circle with center O and a radius of 15 cm. Find the perimeter of the hexagon.
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BBB An equilateral triangle ABC is inscribed in the circle with center 'O' and radius 8 cm. Find the perimeter of the triangle using law of cosines to two significant digits. BBB View Solution
BBB In triangle ABC, if a = 4, b = 3, and c = 5, then find the measure of the angle opposite to the longest side to the nearest degree.
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BBB In triangle DEF, if d = 6, e = 14, and f = 21, then find the measure of angle D to the nearest degree. BBB View Solution
BBB An equilateral triangle ABC is inscribed in the circle with center 'O' and radius 7 cm. Find the perimeter of the triangle using law of cosines to two significant digits. BBB View Solution
BBB A pole is located at a distance of 20 m from one building and 26 m from another. The measure of the angle between the lines joining each building and the pole is 130o. Find the distance between the buildings to two significant digits.
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BBB For any parallelogram, find the ratio of sum of the squares of the lengths of the diagonals to the sum of the squares of the lengths of two adjacent sides. BBB View Solution
BBB Find the length of AC to two significant digits in the parallelogram ABCD. BBB View Solution
BBB Find the area of the parallelogram ABCD to three significant digits. BBB View Solution
BBB ABCDEF is a regular hexagon inscribed in a circle with center O and a radius of 9 cm. Find the perimeter of the hexagon.
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BBB In triangle ABC, if A = 54o, b = 20, and c = 14, then find the length of a to two significant digits. [Simplify using calculator.]
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BBB In triangle DEF, if D = 46o, F = 10, and E = 17, then find the length of D to two significant digits.
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BBB In triangle PQR, if R = 68o, p = 17, and q = 13 then the length of r to two significant digits is BBB View Solution
BBB In triangle ABC,if a = 12, b = 8, and c = 17, find b to the nearest degree. BBB View Solution
BBB In triangle DEF, if d = 9, e = 9, and f = 12, then find the measure of angle F to the nearest degree. BBB View Solution
BBB In triangle ABC, if a = 19, b = 12, and c = 10, then find the measure of angle A to the nearest degree. BBB View Solution
BBB In triangle ABC, if a = 24, b = 7, and c = 25, then find the measure of the angle opposite to the longest side to the nearest degree.
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BBB In triangle DEF, if d = 9, e = 17, and f = 27, then find the measure of angle D to the nearest degree. BBB View Solution
BBB In triangle ABC, if a = 18 units, b = 16, and c = 14, then what is the area of the triangle to three significant digits? BBB View Solution
BBB In triangle PQR, if Q = 62o, p = 15, and r = 12, then find the measure of angle p to the nearest degree.
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BBB In triangle PQR, if Q = 42o40', p = 12.8, and r = 8.6, then find the length of q to three significant digits. BBB View Solution
BBB In triangle ABC, if A = 70o12', b = 22.5 and c = 13.7, then find the length of a to three significant digits.
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BBB In triangle DEF, if E = 112.6o, d = 10.2 and f = 10.2, then find the length of e to three significant digits.
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BBB In triangle ABC, if a = 25.6, b = 18.6, and c = 22.8, what is the measure of angle B to the nearest tenth of one degree?
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BBB In triangle DEF, if d = 8.2, e = 18.3, and f = 24.6, then what is the area of triangle DEF to three significant digits? BBB View Solution
BBB In triangle DEF, if E = 54o30', d = 21.4, and f = 10.6, then Find D to the nearest ten minutes? BBB View Solution
BBB In a quadrilateral ABCD, if AB = 10.6, BC = 14.8, CD = 8.4 and DA = 12.6 and ABC = 70o, then what is the value of x shown in the figure rounded to three significant digits? BBB View Solution
BBB A point R is 24 cm from P and 30 cm from Q as shown in the figure. If angle PRQ is 60o 40', then find the distance between P and Q to three significant digits. BBB View Solution
BBB Find the greatest angle of a triangle whose sides are 3, 5, 7.
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