All categories

3 years ago

Find the volume of the hemisphere below leave your answers in terms of pi

Mathematics

1 answer:

Ainat [17]3 years ago

7 0

Answer:

volume of the hemisphere

$\frac{2}{3} \times \pi \times {r}^{3} \\ \frac{2}{3} \times \pi \times 1331 \\ = 887.3333333333\pi$

You might be interested in

1.Which postulate or theorem can you use to prove Triangle ABE = Triangle CDE?

stira [4]

Answer:

AAS Postulate.

Step-by-step explanation:

The AAS Postulate states that if 2 angles and a non-included side are congruent on both triangles, then the two triangles are equivalent.

In this case, the first Angle is: ∠B ≅ ∠D (Given, both are 90° in measurement)

For the side: Line BE ≅ line DE (Given)

∡BEA ≅ ∡DEC (Definition of Vertical Angles)

AAS Postulate is therefore used.

6 0

3 years ago

AB is tangent to O. If AO = 24 and BC = 27, what is AB?

Alenkinab [10]

The answer should be a, 45

8 0

3 years ago

Read 2 more answers

Find the y-intercept

gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Task 1 a Real State company sells plots of land.The plot shown at the right cost $84,120. What is the price per square foot of t

Agata [3.3K]

Answer:

The price is $1.6 per square foot of the land

Step-by-step explanation:

step 1

Find the area of the plot of land

we know that

The area of the plot of land is equal to the area of trapezoid 1 plus the area of trapezoid 2

see the attached figure to better understand the problem

Remember that

The area of a trapezoid is equal to

$A=\frac{1}{2}[b1+b2]h$

<em>Find the area of trapezoid 1</em>

we have

$b1=125\ ft$

$b2=265\ ft$

$h=260-150=110\ ft$

substitute

$A1=\frac{1}{2}[125+265](110)$

$A1=21,450\ ft^{2}$

<em>Find the area of trapezoid 2</em>

we have

$b1=150\ ft$

$b2=265\ ft$

$h=150\ ft$

substitute

$A2=\frac{1}{2}[150+265](150)$

$A2=31,125\ ft^{2}$

The area total of the land is

$A=A1+A2$

$A=21,450+31,125=52,575\ ft^{2}$

step 2

Find the price per square foot of the land

Divide the total cost by the total area

$\frac{84,120}{52,575}=1.6\frac{\$}{ft^{2}}$

5 0

4 years ago

Find the area of a circle with radius, r = 41cm. Give your answer rounded to 3 SF.

joja [24]

Answer:

5283.143 cm^2

Step-by-step explanation:

Area =πr^2

22/7*41*41

=5283.143cm^2

5 0

3 years ago