Baileigh is using a piece of string to hang a painting on the wall. The back of the painting is diagrammed below. 12 cm 12 cm 5
1 answer:
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Answer:
One-third
Step-by-step explanation:
we know that
The probability that a point chosen at random in the triangle is also in the blue square is equal to divide the area of the square by the area of triangle
step 1
Determine the area of triangle
step 2
Determine the area of the square
step 3
Determine the probability
simplify
therefore
One-third
The area of circle is
Then the area of semicircular region is
If r=3 m, you have
sq. m.
Answer: sq. m.