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inessss [21]
3 years ago
12

Helppp me pleaseeeeeee

Mathematics
1 answer:
Mazyrski [523]3 years ago
4 0
They’re equal to one another.
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Sum of interior angles in a polygon is 3240. How many sides are in the polygon?
Aleks04 [339]

Answer:

20

Step-by-step explanation:

7 0
2 years ago
The diameter of a circle has endpoints (–3, –10) and (4, –6). What is the equation of the circle?
fredd [130]

Answer:

The center of the circle is midpoint of the diameter:

The radius is equal the distance between C and Q:

An equation of a circle:

(x - a)² + (y - b)² = r²

(a; b) - a coordinates of a center

r - a radius

r = √65; (-3; 2) ⇒ a = -3 and b = 2

subtitute

(x - (-3))² + (y - 2)² = (√65)²

Answer:

the center: (-3; 2)

the radius: √65

the equation of the circle: (x + 3)² + (y - 2)² = 65

3 0
3 years ago
Read 2 more answers
A rectangle is removed from the middle of a larger rectangular shaped board. What is the area of the remaining board?
jeyben [28]

Answer:

The area of the remaining board is [(L × B) - (l × b)].

Step-by-step explanation:

Suppose the bigger rectangle is labelled as ABCD and the smaller rectangle is labelled as PQRS.

Consider that the length and breadth of the bigger rectangle are L and B respectively. And the length and breadth of the bigger rectangle are l and b respectively.

The area of any rectangle is:

Area = Length × Breadth

The area of the bigger rectangle is:

Area of ABCD = L × B

The area of the smaller rectangle is:

Area of PQRS = l × b

Then the area of the remaining board will be:

Area of remaining board = Area of ABCD - Area of PQRS

                                         = (L × B) - (l × b)

Thus, the area of the remaining board is [(L × B) - (l × b)].

8 0
3 years ago
What is the approximate volume of a cylinder with a radius of 9cm and height of 22 cm? Use 3.14 to approximate rr?
Doss [256]
The volume of a cylinder with a radius of 9 cm and a height of 22 cm is 5598.32 cm^{3}
4 0
3 years ago
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A 12 foot ladder is leaning against the building. The ladder makes a 45° angle with the building. How far up the building does t
DaniilM [7]

check the picture below.


make sure your calculator is in Degree mode.

6 0
3 years ago
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