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Please help its urgent will give brainiest and show your work

Please Help Its Urgent Will Give Brainiest And Show Your Work class=

Sagot :

Answer:

r = 28 ft

Step-by-step explanation:

In a right triangle we have:

45² + r² = ( 25 + r )²

2025 + r² = 625 + 50r + r²

1400 = 50r

r = 28 ft