3 years ago

It’s this one and I’m done

Mathematics

1 answer:

stepan [7]3 years ago

6 0

Answer:

168 in

Step-by-step explanation:

Pythagoras says:

b² + 56² = 70²

b² = 70² - 56²

b = √1764 = 42

so the perimeter is 70+56+42 = 168

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