MATH SOLVE

3 months ago

Q:
# If m∠C = 90°, side c = 29, and side a = 21, then side b = ___. 20 19 22 17

Accepted Solution

A:

Answer:b) 20Step-by-step explanation:Here m∠C = 90, It is a right triangle.So we can use the Pythagorean theorem.b = √(c^2 - a^2)Given: a =21 and c = 29. Now let's plug in these values in the above formula, we getb = √(29)^2 - (21)^2b = √(841 - 441)b = √400b = 20Therefore, the side length b = 20.Hope this will helpful.Thank you.