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3 years ago

11

PLEASE HELP :DDDDDDDDDD

2 answers:

Maslowich3 years ago

6 0

Ok start off by finding the base first and the equation of finding the area of the square is A=bh
A=11 x 11= 121 cm^2

Next find the area of one triangle and the equation is A=1/2bh
A=1/2(11)(10)
A=55 cm^2

Multiply the area of one triangle by 4 since there are four triangles and it should equal to 220 cm^2. You then add this to the base and the final answer should be 341 cm^2.

I hope this helps

Elden [556K]3 years ago

3 0

Answer:

341 cm²

Step-by-step explanation:

A=11 x 11= 121 cm²

A=1/2(11)(10)

A=55 cm²

Multiply the area of one triangle by 4 since there are four triangles.

=220 cm²

220+121=341cm²

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3 years ago

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3 years ago

Anestetic [448]

Step-by-step explanation:

Solution,

According to question,

Length= 12 cm

Breadth= (12-2) cm= 10 cm

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By using the formula of area of rectangle, we get

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Hence, the area of the rectangle is 120 cm².

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