23-03-2019
Mathematics

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help on 8, 9, and 12?

help on 8 9 and 12 class=

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alykj707 alykj707

23-03-2019

Answer:

8.) x = 15

Step-by-step explanation:

8.) divide 40 by 2 = 20 to only find half the triangle..

20^2 + b^2 = 25^2

400 + b^2 = 625

-400 -400

√b^2 = √225

b = 15

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