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3 years ago

Find the area of this parallelogram. 8.7 cm 10.1 cm 16.9 cm

Mathematics

2 answers:

ella [17]3 years ago

6 0

Answer:

147.03 sq.cm.

Step-by-step explanation:

Equation for finding the area of a parallelogram:

b·h=area

Equation for this parallelogram(you don't need the 10.1):

16.9·8.7=147.03

Tpy6a [65]3 years ago

3 0

Answer:

$A=147.03\text{ cm}^2$

Step-by-step explanation:

The area for a parallelogram is given by the formula:

$A=bh$

Where b is the base length and h is the vertical height.

The base length is 16.9 while the vertical height is 8.7. Thus:

$A=(16.9)(8.7)$

Multiply using a calculator:

$A=147.03\text{ cm}^2$

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X-y=6<br> 2x-3z=16<br> 2y+z=4<br><br> Solve the systems of equations.

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Answer:

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x-y =6 .....,[1]

2x-3z = 16 ......[2]

2y+z = 4 .......[3]

Rewrite the equation [1] as

y = x - 6 .......[4]

Substitute the value of [4] in [3], we get

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2x - 12 +z =4

Add 12 to both sides of an equation:

2x-12+z+12=4+12

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2x +z = 16 .......[5]

On substituting equation [2] in [5] we get;

2x+z=2x -3z

z = -3z

Add 3z both sides of an equation:

z+3z = -3z+3z

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