hihihiahshsh hihihiahshsh

03-02-2021
Mathematics

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can someone help me solve this

can someone help me solve this class=

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thebecks thebecks

03-02-2021

Answer:

x=21

Step-by-step explanation:

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

2(2x+3)=90

4x+6=90

4x=84

x=21

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