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Inga [223]
3 years ago
9

An artist is designing a kite like the one show below. Calculate the area to determine how much material she will need to create

the kite.
A kite with two top triangles with height of 7 inches and a base 9.5 inches. The bottom two triangles share the base but have a height labeled 12 inches.

Mathematics
2 answers:
horrorfan [7]3 years ago
5 0
Hi there!

The formula for the area of a kite is A = 1/2(d1 * d2). The diagonals on your kite are 20 inches and 19 inches. Let's plug those numbers into the formula: A = 1/2(20*19). First, multiply inside of the parenthesis: A = 1/2(380). Lastly, divide 380 by 2: A = 190in^2.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
avanturin [10]3 years ago
4 0

Answer:

180.5

Step-by-step explanation:

The area will be the sum of all triangles' areas.

Triangle area = \frac{b*h}{2}

A1 = \frac{9.5*7}{2}= 33.25

the other top triangle has the same area so A1+A2 = 33.25*2 = 66.5.

A3 =  \frac{9.5*12}{2}= 57

the other bottom triangle has the same area so A3+A4 = 57*2 = 114.

Then, the area is A1+A2+A3+A4 = 66.5+114 = 180.5

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