JailynJohnson
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please help me on problem 6 of teacher created problem

Please Help Me On Problem 6 Of Teacher Created Problem class=

Sagot :

the formula for a semi-circle is 3.14*d / 2 + the triangle 
and d= 20 because the triangle is a equilateral so 3.14*20=62.8 and divide by 2 for it is the half of the circle  62.8 / 2 = 31.4 and add the triangle 31.4+40 because of the 2 sides 31.4+40=70.4
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