lizzeteh21470 lizzeteh21470

30-10-2020
Mathematics

contestada

If the measure of angle 5 is 120°, and the measure of angle 4 is represented by (4x +20)", what is the value X

If the measure of angle 5 is 120 and the measure of angle 4 is represented by 4x 20 what is the value X class=

Respuesta :

arielkraitzick arielkraitzick

30-10-2020

Answer:

25°

Step-by-step explanation:

Since a is parallel to b, angle 4 = angle 5 since they are alternate angles

Therefore 120°=4x+20°

120°-20°=4x

100°=4x

x=25°

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