Question

TIVE FEMANDING

36:22
What is the value of x2
O x = 32
O x = 36
Ox= 37
O x = 40
(x + 15)
(4x -20)
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Answer 1

x = 40

Explanation:

Lines and Angles

The image shows the shape of a triangle, whose base is extended to form a linear pair of angles.

Recall that two linear angles add up to 180°, this forms the equation:

x + 4x - 20 = 180

Simplifying:

5x = 180 + 20 = 200

x = 200/5 = 40

x = 40