Question

In the figure alongside, if, angle 1 = (2x + 50)°, angle 3 = (x + 4y)° and angle 5 = (5y + 10)°, find the angles 1, 3 and 5.

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Answer 1

Explanation:

(2x+50)⁰+(x+4y)⁰+(5y+10)⁰= 180⁰

3x+9y+60⁰=180⁰

3(x+3y)=120⁰

x+3y=40⁰