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pantera1 [17]
3 years ago
15

A model of a house is shown. what is the perimeter in units of the model? To receive brainliest show all your work.

Mathematics
1 answer:
Vesnalui [34]3 years ago
5 0

Answer:

The perimeter in units of the model is (86x+24)\ units

Step-by-step explanation:

we know that

The perimeter of the figure is equal to the perimeter of the rectangle plus the  the length sides of the legs of the isosceles triangle

so

P=2(17x+8)+2(21x+5)+2(5x-1)\\ \\P=(34x+16)+(42x+10)+(10x-2)\\ \\P=(86x+24)\ units

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A triangle MPN is right and <span>isosceles, because
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The ttapezoid side KN consists of two parts KP and PN, each of them is equal to 10, then KN=20 units.
Area of KLMN is egual to A= \frac{LM+KN}{2} *MP= \frac{10+20}{2} *10=150 sq. units.


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