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erastovalidia [21]
3 years ago
5

(25 Points) The measure of b is ______?

Mathematics
2 answers:
Eva8 [605]3 years ago
6 0

Answer:

21

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 +b^2 = c^2

where a and b are the legs and c is the hypotenuse (opposite the right angle)

20^2 +b^2 = 29^2

400 + b^2 =841

Subtract 400 from each side

400-400 +b^2 = 841-400

b^2 = 441

Take the square root of each side

sqrt(b^2) = sqrt(441)

b = 21

Levart [38]3 years ago
3 0

Answer:

21

Step-by-step explanation:

You have a right triangle, so you can use the Pythagorean theorem, where <em>a</em> and <em>b</em> are the lengths of the legs, and <em>c</em> is the length of the hypotenuse.

<em>a^2 + b^2 = c^2</em>

<em>20^2 + b^2 = 29^2</em>

<em>400 + b^2 = 841</em>

<em>b^2 = 841 - 400</em>

<em>b^2 = 441</em>

<em>b = 21</em>

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