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AlladinOne [14]

1 year ago

13

Given that

1 answer:

valentinak56 [21]1 year ago

4 0

Answer:

15.8

Step-by-step explanation:

First off, I think you mean area. You can't find the perimeter of a triangle with only two sides listed, neither can you find that side unless you have the perimeter.

1. Area of the triangle formula is axb/2= (9.9x3.2)/2, which when put in a calculator is 15.84.

2. Rounded to 1DP makes it 15.8

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Write the equation in standard form for the circle with center (0, – 10) and radius 6.

Artemon [7]

Answer:

Equation of circle in standard form with centre (0, – 10) and radius 6. $\mathbf{x^2+(y+10)^2=36}$

Step-by-step explanation:

We need to write equation of circle in standard form with centre (0, – 10) and radius 6.

The equation of circle is: $(x-h)^2+(y-k)^2=r^2$

where (h,k) is centre of circle and r is radius

We are given centre (0,-10) so, h=0, k=-10 and radius r = 6

Putting values and finding equation:

$(x-h)^2+(y-k)^2=r^2\\(x-0)^2+(y-(-10))^2=(6)^2\\x^2+(y+10)^2=36$

So, equation of circle in standard form with centre (0, – 10) and radius 6. $\mathbf{x^2+(y+10)^2=36}$

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2 years ago

Suppose the circumference of a circle is 2pi what is its area?

soldi70 [24.7K]

Circumference=2πr
2π=2πr
r=1

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area=π(1)^2
area=π

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2 years ago

Seven more then 3 rimes a number is 49

NikAS [45]

7 <span> more than 3 times a number </span>
<span>more than is code for + </span>
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<span>solve: </span>
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