How do you do this?

Mathematics

1 answer:

ELEN [110]3 years ago

8 0

Use the Pythagorean Theorem: a² + b² = c².

a and b are the legs of the right triangle, and c is the hypotenuse.

2) 5² + b² = 6²
25 + b² = 36
b² = 11
b = 3.3 cm

3) 7² + b² = 8²
49 + b² = 64
b² = 15
b = 3.9 cm

4) a² + 5² = 13²
a² + 25 = 169
a² = 144
a = 12 cm

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