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Mathematics 21 Online
OpenStudy (anonymous):

Molly finds two sticks and wants to build a kite for her little brother. The sticks are 12 inches and 24 inches long, and she plans on using them as the diagonals of the kite. Molly will need a minimum of _____ square inches of fabric to make the kite.

OpenStudy (valpey):

Half of the rectangle spelled out by the diagonals.

OpenStudy (anonymous):

So whats the answer?

OpenStudy (anonymous):

@dumbcow

OpenStudy (valpey):

Can you find the area of a rectangle?

OpenStudy (anonymous):

yes base * height

OpenStudy (anonymous):

288 is the answer. Then what?

OpenStudy (anonymous):

?

OpenStudy (anonymous):

@Valpey hello?

OpenStudy (valpey):

half of that.

OpenStudy (valpey):

|dw:1335835999649:dw|

OpenStudy (anonymous):

ok so 144 is the answer?

OpenStudy (valpey):

Yeah. Do you see how each of the parts of the large rectangle are cut in half?

OpenStudy (anonymous):

yes

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