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den301095 [7]
3 years ago
13

Please help, Thanks

Mathematics
2 answers:
insens350 [35]3 years ago
8 0

Answer:

F. 75 units

Step-by-step explanation:

Use the pythagorean theorem: a^2+b^2=c^2, which a and b are the lengths of the shorter sides, and c is the length of the hypotenuse, the longest side. So in this problem we have 21^2+72^2=c^2\\. This can be simplified to 5625=c^2. Taking the square root on both sides we get c is 75.

lilavasa [31]3 years ago
3 0

Answer:

F) 75

Step-by-step explanation:

Use the Pythagorean theorem: a^2 + b^2 = c^2

a = 21

b = 72

c = length of BC

21^2 + 72^2 = c^2

5625 = c^2

c = 75

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