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HELP PLEASE
Lines l and m are parallel lines cut by transversal n. Angle R is measured by (3x +12)° and angle S is measured by (5x +8)°.
What is the measure of angle s?
A-90°
B-108°
C-72°
D-20*

HELP PLEASE Lines l and m are parallel lines cut by transversal n Angle R is measured by 3x 12 and angle S is measured by 5x 8 What is the measure of angle s A9 class=

Respuesta :

KurdishPotato

Answer:

x = 20

Step-by-step explanation:

Lines l and m are parallel so the sum of given angles is = 180

3x + 12 + 5x + 8 = 180 add like terms

8x + 20 = 180 subtract 20 from both sides

8x = 160 divide both sides by 8

x = 20 replace x with 20 in given expression to calculate any measure.

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