In triangle abc, the measure of angle a is fifteen less than twice the measure of angle

b. the measure of angle c equals the sum of the measures of angle a and angle b, determine the measure of angle b

Question

Mathematics

Drew Wright

26 January, 21:23

In triangle abc, the measure of angle a is fifteen less than twice the measure of angle

b. the measure of angle c equals the sum of the measures of angle a and angle b, determine the measure of angle b

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Answers (1)

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Reagan Wade · Answer 1

Angle b is 35 because angle a is (2b-15) and angle c is (3b-15) and b is (b) and angles in a triangle add to 180 so (2b-15) + (3b-15) + (b) = 180, so (6b-30) = 180 / 6b = 210 so b is 35

In triangle abc, the measure of angle a is fifteen less than twice the measure of angleb. the measure of angle c equals the sum of the measures of angle a and angle b, determine the measure of angle b

In triangle abc, the measure of angle a is fifteen less than twice the measure of angle

b. the measure of angle c equals the sum of the measures of angle a and angle b, determine the measure of angle b