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JailynJohnson
JailynJohnson JailynJohnson
  • 17-03-2015
  • Mathematics
Answered

please help me on problem 6 of teacher created problem

please help me on problem 6 of teacher created problem class=

Verified Answer :

Anonymous Anonymous
  • 17-03-2015

the formula for a semi-circle is 3.14d / 2 + the triangle 
and d= 20 because the triangle is a equilateral so 3.1420=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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