3 years ago

For which value of x is the figure a rhombus?

Mathematics

2 answers:

stealth61 [152]3 years ago

8 0

They are right triangles so you with do (8x+7)+(3x+6)=90 because a triangle is 180* so you got this !

zysi [14]3 years ago

3 0

Answer:

D. x = 7

Step-by-step explanation:

The labeled angles are the acute angles of a right triangle, so they are complementary. Their measures add up to 90 deg.

8x + 7 + 3x + 6 = 90

11x + 13 = 90

11x = 77

x = 7

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