Beth needs 1 2/3 cups of sugar to make a cake and 2 1/4 cups to make a pie. How much sugar does she need to make both?
2 answers:
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Answer
Find out the perimeter of the isosceles triangle.
To prove
As shown in the figure.
P(0,4) , Q(-2,0) and R(2,0) are the vertices of the triangle PQR.
Formula
As P(0,4) and Q(-2,0)
In the isoceles triangle the two sides of the triangles are equal .
Therefore PQ = PR
As Q(-2,0) and R(2,0)
QR = 16 unit
