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kolbaska11 [484]
2 years ago
7

Find the degree of 2x7 y+4x9 -9y

Mathematics
1 answer:
Lynna [10]2 years ago
5 0

Answer:

I believe the answer is 9

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Triangle FCD is cut from parallelogram ABCD moved with left-hand side. What are the dimensions of the resulting triangle AEFD?
Ilya [14]

Answer:

The answer is below

Step-by-step explanation:

Triangle FCD is cut from parallelogram ABCD moved with left-hand side. What are the dimensions of the resulting rectangle AEFD?

A parallelogram is a quadrilateral (has four sides and four angles) in which opposite sides are parallel to each other.

A rectangle is a quadrilateral with opposite sides which are parallel and equal to each other. All the angles in a rectangle are at 90 degrees.

From the image, AD = z, FC = x, BF = w and BC = y. Hence:

EB = FC = x.

EF = AD = length = z; AE = FD = height = w

Therefore the dimensions of rectangle AEFD is length z and height w

5 0
3 years ago
Please help me understand how to do this.
bogdanovich [222]

Answer:

  7.2 m²

Step-by-step explanation:

Use the appropriate area formula, fill in the given values, and do the arithmetic.

  A = (1/2)ab·sin(C)

where "a" and "b" represent triangle side lengths and C is the angle between them.

  A = (1/2)(4 m)(8.5 m)sin(25°) ≈ 7.2 m²

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2 years ago
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