Answer:
Angle B is 45°
Step-by-step explanation:
Since a and b are both of length 20, this is an isosceles right triangle, and the angle opposite side b must be 45°.
The Angle B is 45°
An isosceles triangle in geometry is a triangle with two equal-length sides. It can be stated as having exactly two equal-length sides or at least two equal-length sides, with the latter definition containing the equilateral triangle as an exception.
Given
Since a and b are both of length 20, this is an isosceles right triangle, and the angle opposite side b must be 45°.
To know more about the isosceles triangle refer to :
https://brainly.com/question/1447883
#SPJ2
