The remaining angle is 35 degrees. This makes the triangle an isosclese triangle as well.
The answer is 21 because I added 8 + 10+3=and I got 21
Answer47.3%
Step-by-step explanation:
A^2 + b^2 = c^2
5^2 + b^2 = 20^2
25 + b^2 = 400
b^2 = 375
b = 19.4 feet
