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PLZ I NEED HELP UNDERSTANDING THIS SOMEONE PLZ HELP ME

PLZ I NEED HELP UNDERSTANDING THIS SOMEONE PLZ HELP ME-example-1

1 Answer

7 votes

Answer:

90

Explanation:

180°-104°=76°( sum of angles A and B)

76°÷2=38°

x=38°

Bcuz it is an isosceles triangle ( a triangle with 2 equal sides). So, angle B and A are equal. thats why 76° must be divided by 2.

180°-104°=76°(angles on a straight line)

180°-76°=104° (sum of angle A and C)

104°÷2=52°

y=52°

it is also an isosceles triangle.

x+y=38+52=90°

User MakG
by
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