3 years ago

Find the value of x.

Mathematics

1 answer:

GaryK [48]3 years ago

5 0

Answer:

x = 25

Step-by-step explanation:

it's an isosceles triangle so base angles are the same

3x - 30 = 45

Add 30 on both sides

3x = 75

divide both sides by 3

x = 25

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