Question

Jenny’s grandmother is making a quilt for

her 18th birthday. When she ran out of

material she asked Jenny to go to the

store and pick up more patches.


She only had one square cut in half at the

diagonal, creating 2 equal triangles left.

Each triangle has an area of 0. 18 units.

What is the length of the side of the square?

Answer 1

The side of the square that is twice the area of one triangle (0.18 units²) is: 0.6 unit.

What is the Area of a Square?

Area of a square = s², where s is the side length of the square.

1 square = 2(areas of triangles)

1 square = 2(0.18)

1 square = 0.36 units²

s² = 0.36

s = √0.36

s = 0.6 unit.

Length of the side of the square = 0.6 unit.

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