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IrinaVladis [17]
1 year ago
13

The percentage increase in the area of a rectangle if each of its sides is increased by 20% is.

Mathematics
1 answer:
SVETLANKA909090 [29]1 year ago
8 0

The percentage increase in the area of a rectangle is 44% if each of its sides is increased by 20%.

<h3>What is a rectangle?</h3>

It is defined as two-dimensional geometry in which the angle between the adjacent sides is 90 degrees. It is a type of quadrilateral.

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

New length = (120x/100)  m

New breadth = (120y/100)  m

New area = (6x/5 × 6y/5) m²

The difference between the original area = xy

new area 36xy/25

Percentage increase = (11xy/25 1/xy x 100)

= 44%

Thus, the percentage increase in the area of a rectangle is 44% if each of its sides is increased by 20%.

Learn more about the rectangle here:

brainly.com/question/15019502

#SPJ4

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Step-by-step explanation:

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3 years ago
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Point b has coordinates (-8,15) and lies on the circle whose equation is x^2+y^2=289. If an angles is drawn in standard position
Alenkinab [10]

Answer:

\cos \theta=-\dfrac{8}{17}

Step-by-step explanation:

Coordinates of Point b=(-8,15)

b lies on the circle whose equation is x^2+y^2=289

x^2+y^2=17^2

Comparing with the general form a circle with center at the origin: x^2+y^2=r^2

The radius of the circle =17 which is the length of the hypotenuse of the terminal ray through point b.

For an angle drawn in standard position through point b,

x=-8 which is negative

y=15 which is positive

Therefore, the angle is in Quadrant II.

\cos \theta=\dfrac{Adjacent}{Hypotenuse} \\$Adjacent=-8\\Hypotenuse=17\\\cos \theta=\dfrac{-8}{17} \\\cos \theta=-\dfrac{8}{17}

8 0
3 years ago
Help on math please!
DedPeter [7]
(13•4) + (3•8) +3 = 79
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6 0
3 years ago
100 x 9/5 what is the answer????? PLZ HELP!!!!!!
dem82 [27]
The 9/5 put into a decimal is 1.8 so 1.8 times 100 is 180
5 0
3 years ago
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Are these similar and please explain why or why not.
krok68 [10]

Answer: no they are not simular and the reason for this is because not only are one of the sides off but one of the x values on the first one is not equal.

Step-by-step explanation:

I hope this helps have a good day

5 0
2 years ago
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