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1 year ago

What is the area of the polygon (-3,3) (-3,-1) (4,-1) (4,3) with the given verticies

Mathematics

1 answer:

Monica [59]1 year ago

5 0

The area of the polygon with the given vertices: (-3,3) (-3,-1) (4,-1) (4,3) is 28 square units

<h3>What is rectangle ?</h3>

A rectangle is a polygon with four sides. The opposite sides of a rectangle are equal while the angles at the vertex is orthogonal

<h3>How to solve for area of the rectangle</h3>

The following are the data given in the question

polygon with the given vertices' as:

(-3,3)

(-3,-1)

(4,-1)

(4,3)

plotting the given polygon shows it is a rectangle with sides

Length, L = 7 units

Width, w = 4 units

Area if a rectangle is given by

= L * w

= 7 * 4

= 28 square units

The area of the polygon is 28 square units

Learn more in area of rectangle: brainly.com/question/16239445

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3 years ago

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3 years ago

Find the area of a circle with a circumference of 6.28 units

viktelen [127]

Answer:

area of the circle = 3.14 square units

Step-by-step explanation:

Circumference of the circle formula is $2\pir$

where r is the radius of the circle

given circumference = 6.28

$2\pir$ = 6.28

Value of pi is 3.14

2*3.14 * r= 6.28

6.28 r = 6.28

divide by 6.28 on both sides

r = 1

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6 0

3 years ago

The price of a computer was decreased by 20% to £136. What was the price before the decrease?

Contact [7]

Answer:

£ 170 .

Step by step explanation :

Given that the price of a computer was decreased by 20% to £136. And we need to find the Original price before the decrease. So , let the earlier price be x ,

Decrease in 20 % :-

⇒ Decreased price = 20% of x

⇒ Decreased price = 20/100 × x

⇒ Decreased price = x/5

New price :-

⇒ New price = x - x/5

⇒ New price = 5x - x/5

⇒ New price = 4x/5.

But its given £ 136 , So

⇒ 4x/5 = £ 136

⇒ x = £ 136 * 5/4

⇒ x = £ 170

<h3>Hence the Original price was £ 170 .</h3>

4 0

3 years ago