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3 years ago

13

Solve for x. The triangles in each pair are similar.

1 answer:

pishuonlain [190]3 years ago

6 0

Start off by knowing that the two triangle are congruent. By knowing this you can turn the given numbers into fractions.

9/72 = 7/7x+7

then cross multiply, which equals

63x + 63 = 504

then solve this equation

63x = 441 - subtract 63 from both sides
x = 7 - divide by 63 from both sides

so your answer is x=7

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