+0

help quick

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159
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help?

Jan 8, 2022

#1
+1

The sum of the angles is 1620 degrees

Jan 8, 2022
#2
+361
+1

step by step explanation:

the angles on the inside of the pentagon=

$$180\times(5-2)=540$$

the angles on the inside of the trapezoid =

$$180\times(4-2)=360$$

7x360-360-540=

5x360-180=

1800-180=1620.

But we counted F and C as 360 + F and 360+c, so

1620-720=$$\boxed{900}$$

Jan 9, 2022
edited by XxmathguyxX  Jan 9, 2022