Question

the angles are supplimentry and the large is four times the smaller​

Answer 1

Answer:

Smaller angle= 18 and larger angle=72

Step-by-step explanation:

Let the smaller angle be x

Acc. To Question,

x+4x=90

5x=90

x=18

Therefore

Smaller angle= 18 and larger angle=72

Answer 2

Answer:

Supplementary = 180 not 90

a = small angle

a + 4a = 180

5a = 180

a = 180/5

a = 36

4a = 36 * 4 = 144

144 + 36 = 180

Step-by-step explanation: