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PLEASE HELP!!!! For what value of x is the figure a rhombus? x=18 x=17.18 x=9 x=7.8
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4 votes
PLEASE HELP!!!!

For what value of x is the figure a rhombus?

x=18
x=17.18
x=9
x=7.8

PLEASE HELP!!!! For what value of x is the figure a rhombus? x=18 x=17.18 x=9 x=7.8-example-1
User Karcsi
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2 Answers

1 vote

Answer: x=9

Explanation:

User Saltern
by
5.3k points
4 votes
a triangle makes up 180 degrees
8x-24+3x+15+90=180
8x-24+3x+15=90
11x-9=90
11x=99
x=9
User BraveSirFoobar
by
5.6k points
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