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Solve for x

A. 9
B. 10
C. 42
D. 12

Solve for x A. 9 B. 10 C. 42 D. 12-example-1

2 Answers

2 votes

Answer:

Option D, 12

Explanation:

4x-8=80/2

or, 4x-8=40

or, 4x=48

or, x=12

User Jpwatts
by
8.4k points
2 votes

Answer:

Given:-

m∠DEF= (4x-8) °

m DE= 80°

Using a property :- m ∠DEF= 1/2 (m DE)


(4x-8) °
= 1/2 (80)


(4x-8)°
=(40) °


4x-8=40

Add 8 to both sides:-


4x=48

Divide both sides by 4:-


(4x)/(4)=(48)/(4)


x=12

OAmalOHopeO

User Hansjoerg Wingeier
by
9.2k points

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