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Daniel [21]
3 years ago
5

An angle measures 77.8° less than the measure of its complementary angle. What is the measure of each angle?

Mathematics
1 answer:
Rasek [7]3 years ago
4 0

Answer:

6.1°    and     83.9°

Step-by-step explanation:

Complementary angles sum 90°

a+b = 90°

a = b - 77.8

then:

(b - 77.8) + b = 90

2b - 77.8 = 90

2b = 90 + 77.8

2b = 167.8

b = 167.8/2

b = 83.9°

a = b - 77.8

a = 83.9 - 77.8

a = 6.1°

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