kittimau
29.07.2020 •
Mathematics
Triangle ABC has the angle measures shown. Measure of angle A = (2 x) degrees. Measure of angle B = (5 x) degrees. Measure of angle C = (11 x) degrees. Which statement is true about the angles? Measure of angle A = 20 degrees Measure of angle B = 60 degrees Angle A and Angle B are complementary Measure of angle A + measure of angle C = 120 degrees
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Ответ:
Measures of angle A = 20°
Angle A and Angle B are complementary
Measure of angle A + measure of angle C = 120 degrees
Step-by-step explanation:
Angle in a triangle = 180
A =2x, B =5x, C =11x
2x + 5x + 11x = 180
18X/18 = 180/18
x = 10
Ответ: