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netineya [11]
3 years ago
5

Can someone help me on number 21? PLEASE

Mathematics
1 answer:
Effectus [21]3 years ago
8 0

Answer:

10.68 meters

Step-by-step explanation:

The first step is to subtract the sum of the other 3 sides.

45.56 - 24.2 = 21.36

21.36 is equal to two equal sides. This means you can divide 21.36 to find the length of one of those sides.

21.36 / 2 = 10.68

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