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melamori03 [73]
3 years ago
12

Pleaseeee help me!!!!!!!!

Mathematics
2 answers:
Ilya [14]3 years ago
5 0
The answer is 35 i’ve done that before
sergey [27]3 years ago
4 0

Answer:

35

Explanation:

The lengths of triangle PQR are 5x the lengths of triangle ABC.

4*5= 20

8*5= 40

7*5= 35

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Answer:

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Step-by-step explanation:

we know that

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see the attached figure to better understand the problem

The area of the rectangle is

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The area of the figure is

45\ cm^{2}+22.5\ cm^{2}=67.5\ cm^{2}

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