(25 Points) The measure of b is ______?
2 answers:
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
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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