Can someone help? Need to find x, and measure of angle DEF

1 answer:

Leni [432]3 years ago

6 0

Step-by-step explanation:

(x+20)=9x

4x=20

x= 5°

because GEF AND DEG ARE EQUAL

THEN DEF= 2 * GEF

DEF = (9*5)*2=90

DEF= 90°

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