5.Annie has 96 inches of lace to be put around a scarf, that she is preparing for her mother. a) If she plans a scarf in the shape of an isosceles triangle with base 50 inches, how long will be the two equal sides?
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Answer:50+x+X=180(Sum of a triangle )
the reason why we are taking x to 2 timess is that 2 sides of isoseles is same so you'll get the
Step-by-step explanation:
50+x+x=180, 50+2x=180, 2x=180-50, 2x=130,x=130/2,x=65
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Total length of the lace = 96 inches
The base of the scarf = 50 inches
Left over length of the lace will be = 96 - 50 = 46 inches
As the scarf was shaped of an isosceles triangle, the 2 sides will be equal, and we have to divide 46 by 2.
= 46÷ 2 = 23 inches
Ans:- The two equal sides will be 23 inches each.
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