shatariaperkins shatariaperkins

13-11-2020
Mathematics

contestada

4. x =
a. 20°
b. 240
C. 28°
(5x)
120°
d. 30°

4 x a 20 b 240 C 28 5x 120 d 30 class=

Respuesta :

musiclover10045 musiclover10045

13-11-2020

An exterior angle equals the sun of the two opposite inside angles:

5x = 120 + x

Subtract 1 x from both sides:

4x = 120

Divide both sides by 4:

X = 30

The answer is D. 30

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