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2 years ago

Need the answer please and thank you

Mathematics

1 answer:

klasskru [66]2 years ago

3 0

Hi there,

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If the height of the parallelogram shown is increased by 1 cm and the base is increased by 2 cm, what is the area of the new par

Anni [7]

Answer:

Area = 55 cm2

Step-by-step explanation:

It the base of the parallelogram was 9 centimeters and increased by 2, the new base has 9 + 2 = 11 centimeters.

It the height of the parallelogram was 4 centimeters and increased by 1, the new base has 4 + 1 = 5 centimeters.

Now, we can calculate the area of the parallelogram using the formula:

A = b * h

Where A is the area, b is the base and h is the height. So:

A = 11 * 5 = 55 cm2

7 0

3 years ago

The coordinates of the verticals of a rectangle are (-3,4), (7,2), (6,-3), & (-4,-1). What is the perimeter of the rectangle

natali 33 [55]

Answer:

30.594

Step-by-step explanation:

To find perimeter we need to find the length of all the sides

The coordinates are A(-3,4), B(7,2), C(6,-3), D (-4,-1)

To find the length of side , we use distance formula

$Distance = \sqrt{(x2-x1)^2+(y2-y1)^2}$

Side $AB =\sqrt{(7--3)^2+(2-4)^2} = \sqrt{100+4}= \sqrt{104}=10.198$

Side $BC =\sqrt{(6-7)^2+(-3-2)^2} = \sqrt{1+25}= \sqrt{26}=5.099$

Side $CD =\sqrt{(-4-6)^2+(-1--3)^2} = \sqrt{100+4}= \sqrt{104}=10.198$

Side $DA =\sqrt{(-3--4)^2+(4--1)^2} = \sqrt{1+25}= \sqrt{26}=5.099$

To find perimeter we add all the sides

10.198 + 5.099 + 10.198 + 5.099= 30.594

the perimeter of the rectangle= 30.594

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