SOLUTION: in triangle ABC, the sum of the measure of angle A and angle B is 90°. Angle A is 30° less than twice angle B. Use this information to find the seasure of each angle.
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Question 1015358: in triangle ABC, the sum of the measure of angle A and angle B is 90°. Angle A is 30° less than twice angle B. Use this information to find the seasure of each angle. Answer by macston(5194) (Show Source):
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A=2B-30
2B-30+B=90
3B=120
B=40
.
A=2B-30=2(40)-30=80-30=50
.
A+B+C=180
50+40+C=180
C=90
.
ANSWER: A=50; B=40; C=90
.