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azamat
3 years ago
15

What is the formula for finding the area of a circle?

Mathematics
2 answers:
irinina [24]3 years ago
5 0
The formula is: The Picture

Alika [10]3 years ago
4 0
The formula to find<span> a </span>circle's area<span> (radius)</span>2<span> usually expressed as π ⋅ r 2 where r is the radius of a </span>circle<span>. </span>Area<span> of </span>Circle<span> Concept. The </span>area of a circle<span> is all the space inside a </span>circle's<span> circumference.</span>
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What is the meaning of a corresponding angle
olga nikolaevna [1]
The angles which occupy the same relative position at each intersection where a straight line crosses two others. If the two lines are parallel, the corresponding angles are equal.
6 0
3 years ago
Read 2 more answers
What is the value of 9C6? A. 54 B. 84 C. 6480 D. 60,480
Verdich [7]

The solution would be like this for this specific problem:

<span><span>9 ! </span><span>
<span>------- </span>
<span>6 ! 3! </span>


<span>9 x 8 x 7 </span>
<span>-------------- </span>
<span>6 </span></span></span>   504 / 6 = 84   <span>So the value of 9C6 is <span>84.</span></span>  

<span>If you have any other questions, please don’t hesitate to ask again.</span>

7 0
3 years ago
Estimate the height of a tree using the following measurements:height of the rod:180 cm,length of the shadow of the rod is 116 c
andriy [413]

Answer:

1303.45 cm

Step-by-step explanation:

The triangles formed by a rod and its shadow and a tree and its shadow are similar triangles, so the ratios of their heights to the lengths of their shadows are equal.

Let x be the height of the tree. Setting the ratios equal, we get:

180/116 = x/840

Solve for x:

x = 840 * (180/116)

x ≈ 1303.45 cm

6 0
3 years ago
Mr. Rahman gave 40% of the money he had to his wife. he also gave 20% of the remaining amount to each of his 3 sons. half of the
makkiz [27]

Answer:

53760

Step-by-step explanation:

12000 x 2 = 24000

24000 x .20 = 4800 this is the amount he gave to each of his sons

4800 x 3 = 14400 this is the amount he gave to his sons in total

24000 + 14400 = 38400

38400 x .40 = 15360 this is how much he gave to his wife

15360 + 38400 = 53760

7 0
3 years ago
A ball is kicked in the air. The height of the ball can be calculated using the equation h(t) =-16t^2+64t+190, where h is in hei
gregori [183]

Answer:

Therefore the ball strikes the ground  5.98 s after kick.          

Step-by-step explanation:

Given that , a ball is kicked in the air. The height of the ball can be calculated using the equation h(t)=-16t^2+64t+190    where h is height in feet and t is time in second.

When the ball touches the ground then the height will be zero.

i.e h(t)=0

Therefore

-16t^2+64t+190=0

\Rightarrow -2(8t^2-32t-95)=0

Since -2≠0 then (8t^2-32t-95)=0

(8t^2-32t-95)=0    

[The solution of a quadratic equation ax²+bx+c=0 is

  x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}  here a=8, b=-32 and c=-95]                    

\Rightarrow t =\frac{-(-32)\pm\sqrt{(-32)^2-[4\times8\times(-95)]} }{2\times8}        

\Rightarrow t =\frac{32\pm\sqrt{4064} }{16}    

Therefore   t=  5.98 or -1.98

since time can not be negative So , t=5.98 s

Therefore the ball strikes the ground  5.98 s after kick.          

5 0
3 years ago
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