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makvit [3.9K]
3 years ago
11

Holly has a rectangular garden that measures 12 m wide by 14 m long. She wants to increase the area to 255 m² by increasing the

width and length by the same amount.
Mathematics
1 answer:
Mashutka [201]3 years ago
3 0
You would need to increase both sides by 3 to get 15m and 17m. I would show you my working but I just did trial and error. I hope this helps!
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\text{Distance = } \sqrt{(5 + 8)^2+ (-3 + 3)^2 }=   \sqrt{13^2} = 13

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6 0
2 years ago
I NEED HELP ASAP
SVEN [57.7K]

Alright, lets get started.

If the polygon measures 45 degree exterior angle and we are asked to find number of sides, there is a formula for that.

\frac{360}{n} = value of exterior angle

Where n is number of sides of ploygon

\frac{360}{n}  = 45

Multiplying n into both sides

\frac{360}{n} * n = 45 n

360 = 45 n

Now divide 45 in both sides

\frac{360}{45}  = \frac{45n}{n}  = n = 8

n = 8

Means number of sides of polygon is 8, hence its Octagon. Answer

Now we have given 45 exterior angle hence interior angle would be

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So, sum of all interior angles would be = number of sides * interior angle

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Hence sum of all interior angles would be 1080°. Answer

Hope it will help :)

7 0
3 years ago
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