Question

In a right triangle, one of the acute angles is four times the other. Its measure is
(a) 68°
(b) 84°
(c)80°
(d) 72°​

Answer 1

Answer:

d) 72°

I hope this helped you.

Answer 2

d--72°

Step-by-step explanation:

1st angle ---90°

2nd angle---x

3 rd angle----4x

90°+x+4x=180°

90°+5x=180°

5x=90°

$x = \frac{90}{5}$

x=18

one angle = 18°

second = 18(4)= 72°

HOPE it helps