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31 votes
31 votes
Pleasee helpp me!,!,!

Pleasee helpp me!,!,!-example-1
User Loscuropresagio
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2.6k points

1 Answer

22 votes
22 votes

Answer:

a=20

Explanation:

Notice the perpendicular mark where lines HL and HJ connect, that means that the angle is 90 degrees.

so that means angles HL+HJ=90

now substitute: (a+15)+(a+35) then solve

2a+50=90

2a=40

a=20

User Inxsible
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3.4k points