crystaldewar55C
24.08.2019 •
Mathematics
Suppose you are given two angles a and b in which angle a is equal to angle b. if the measure of a compliment of angle a is equal to 5x+20 and the measure of angle b equals 3x+40, what is the measure of a supplement of angle
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Ответ:
5x + 20 = 90 - 3x - 40 = 50 - 3x
5x + 3x = 50 - 20
8x = 30
x = 30/8 = 15/4
b = 3(15/4) + 40 = 45/4 + 40 = 51.25
The measure of a supplementary angle is 180 - 51.25 = 128.75
Ответ:
37
Step-by-step explanation:
15/3 * 6 + 7
5 * 6 + 7
30 + 7
37.