100 points! Can someone he|p me with geometry and exp|ain how to do it, p|ease?
*SPAM ANSWERS WILL NOT BE TOLERATED*

Answer:

A = 45 degrees

Step-by-step explanation:

PS AND PQ IS THE SAME,

which means that each side is the same,(left and right)

a triangle, has 180 degrees

180-90

=90

90/2(get the angle of each sides that are left)

=45 degrees is the answer

Now pay up 100 points, lol

Answer:

The measure of angle a is 45 degrees.

Step-by-step explanation:

Notice that since PS = RS, this is an isosceles triangle. This means that the base angles are equal. We also know that the sum of interior triangles of a triangle equals 180, then, if 'a' is the base angle, we have the following equation:

90 + a + a = 180

2a = 180 - 90 = 90

a = 90/2 = 45

a = 45

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