Answer:
The perimeter is 
Step-by-step explanation:
we know that
The perimeter of the figure is equal to the circumference of a semicircle
plus the perimeter of a square minus the diameter of the circle
so

we have



The diameter of the circle is equal to the length side of the square
substitute



Answer:
The sum of all angels for any triangle equals 180°
so we have a right triangle which means we have an angle equals 90° ,angle equals=56°.
step by step

so the angle tends to equal 34°.
Answer:
1st one: (x-2)(x+10)
2nd one: (x-7)(x-3)
Step-by-step explanation:
Answer:
the length of DP will be 13.1
Step-by-step explanation:
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Answer:
-3.5 + 12.25 = ?
Step-by-step explanation:
11.75 - 3 = 8.75
Answer:
8.75