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Please please help!! and explain!
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Please please help!! and explain!

Please please help!! and explain!-example-1
User Christophe Roussy
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1 Answer

6 votes

angles in a triangle add up to 180

so x = 180 - ( 70 + 90 ) = 20

this is because the two other angles in the both of the identical triangles are 70 and 90

User Manalang
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