Question

answer this fast pls pls and take points​

Answer 1

Answer:

The answer is 40

Step-by-step explanation:

3a+5 + 2a-25 =180 [Straight angle]

5a - 20 =180

5a =200

a = 200/5 = 40

Answer 2

Step-by-step explanation:

GIVEN THAT <EFA=<AFD

<AFB=180°

THEN<EFA=<AFD=45°

<AFE+<CFB+<EFC=180°

45°+50°+<EFC=180°

95°+<EFC=180°

<EFC=180-95=85°

THEREFORE <EFC=85°