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Can someone help me solve this
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11 votes
Can someone help me solve this

Can someone help me solve this-example-1
User Blaskovicz
by
7.4k points

1 Answer

9 votes

Answer:

x=21

Explanation:

since the triangle is isosceles, the two lower angles are equal.

2(2x+3)=90

4x+6=90

4x=84

x=21

User Jack Jdeoel
by
7.0k points
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