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Currently stuck on this problem

Currently stuck on this problem-example-1

2 Answers

6 votes

Answer:

116 degrees

Explanation:

The sum of all three angles of a triangle is 180 degrees. Here we know two of these angles immediately: 65 and 51 degrees. The third is 180 - (65 + 51), degrees, or 64 degrees.

Angle PST and this 64 degree angle form straight angles; their sum is 180 degrees. We are to find Angle PST. Do that by subtracting 64 from 180:

Angle PST = 180 - 64 degrees, or 116 degrees.

User Jared Burrows
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4 votes

Answer:

116°

Explanation:

The angles of any triangle will add up to 180°. Since we know the measures of ∠SPR and ∠PRS, we can find the measure of ∠PSR by adding the two measures and subtracting from 180°.


61+51 = 116


180 - 116 = 64

Now we know the measure of ∠PSR. Note that ∠PSR is supplementary to ∠PST, meaning that both values add up to 180. Let's do the math then.


180-64 = 116

This means that the measure of ∠PST is 116°.

Hope this helped!

User Eugene Podskal
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