Question

If angle A and angle B are complementary but angle A is four times as large as angle B, find the measure of angle A.

Answer 1

Let the measure of angle B = x.
Then, the measure of angle A = 4x.
Complementary angles sum to 90.
x + 4x = 90
5x = 90
x = 18

m<A = 4(18) = 72

Answer 2

follow directrix solution. . .

Answer 3

Glad to help.

Answer 4

Thanks!