The given triangle is
To solve for PR, we have to use the sine function which is equivalent to the ratio between the opposite leg and the hypothenuse.

<h2>Hence, PR is 37.04 mm long, approximately.</h2>
13 I think because they give everyone the same amount
Answer:
not telling u the answer but first multiply 2 x 2 1/2 (4 1/2) then add that to 6 2/5
Step-by-step explanation:
Answer:
<h2>
67.7</h2><h2 />
Step-by-step explanation:
perimeter = semicircle (x2) + parallelogram side (x2)
= 1/2 π 12 (x2) + 15 (x2)
= 37.7 + 30
= 67.7
Answer:
B
Step-by-step explanation:
5a^2 - 44 = 81 Add 44 to both sides
5a^2 = 81 + 44 Collect like terms
5a^2 = 125 Divide both sides by 5
a^2 = 125/5
a^2 = 25 Take the square root of both sides
√a^2 = √25
a = +5
a = -5
The answer is B