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Yanka [14]
3 years ago
11

Sammy is trying to determine how many triangles she can create out of a square grid that has a side of 10 inches. Use the image

below to determine the area of the triangle and how many she can cut out.
Triangle with height of 5 inches and base of 10 inches aligned to the right side of a 10 by 10 inch square grid.

The area of the triangle is 50 in2, so she can create only 2 triangles.
The area of the triangle is 50 in2, so she can create only 4 triangles.
The area of the triangle is 25 in2, so she can create only 2 triangles.
The area of the triangle is 25 in2, so she can create only 4 triangles.
plz help
Mathematics
2 answers:
KengaRu [80]3 years ago
8 0

Answer:

The answer is, "The area of the triangle is 50 in2, so she can create only 4 triangles."

Hopes this helps. ;D

Oksanka [162]3 years ago
3 0
I think the answer is C. (a.k.a the third one)
I hoped this helped !!
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Answer:

2a = 108

Step-by-step explanation:

the 3 angles of the triangle add to 180

lets call the unknown angle  in the triangle y

a+10 + y + 44 = 180


we also know that 2a+ y = 180 because it makes a straight line

solve this for y by subtracting 2a from each side

2a +y = 180

y = 180 -2a

now we can substitute this into the triangle equation

a+10 + y + 44 = 180

a+10 + 180 -2a + 44 = 180

combine like terms

-a +234 = 180

subtract 234 from each side

-a = --54

divide each side by -1

a =54

the exterior angle is 2a

2* 54

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Step-by-step explanation:

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Required

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