For the given right triangle, the perimeter is 60cm, so the correct option is D.
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How to get the perimeter of the triangle?</h3>
We can see a right triangle, by using the Pythagorean theorem we can get the missing cathetus:


Now we know the measure of the 3 sides, then the perimeter of the given triangle is:
P = 15cm + 20cm + 25cm = 60cm
The perimeter of the triangle is 60cm.
If you want to learn more about right triangles:
brainly.com/question/2217700
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845,000 . ....................
Find the area of the rectangle (bh) and then the area of half of the circle (pi times r (squared)) then divide it by two and subtract the half circle area from the rectangle area
Answer:
-6
Step-by-step explanation: