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2 years ago

Can anybody help me on this 16 16π 16π - 16 16 - 16π are the answer choices

Mathematics

2 answers:

KengaRu [80]2 years ago

6 0

Answer:

The area of the white region = 16π - 16 ⇒ third answer

Step-by-step explanation:

* Look at the figure and lets explain it

- A circle with two diameters perpendicular to each other

- Two shaded isosceles right angled triangle with leg length 4 units

* To find the area of the white region:

- Find the area of the circle ⇒ (1)

- Find the area of the two shaded triangles ⇒ (2)

- Subtract (2) from (1)

* Lets do that

∵ The length of the radius of the circle = 4 units

∴ The area of the circle = π (4)² = 16π

∵ The area of each triangle = (1/2) × base × height

∵ The length of the base and the length of the height = 4 units

∴ The area of the two triangles = 2 × 1/2 × 4 × 4 = 16 units

* Lets subtract the area of the triangles from the area of the circle

∴ The area of the white region = 16π - 16

kvasek [131]2 years ago

3 0

The answer is 16 pi - 16. The area of each triangle is 8, so both triangles are 16. The area of the circle is pi times the radius squared, 16 pi.

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Answer:

2 7/20

Step-by-step explanation:

So Lets put these into a fraction form

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Pauline: 3 4/16 -> Can be Simplified = 3 1/4

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Change the numbers to a common factor. (multiply 3/5 by 4 and 1/4 by 5 to have common denominators)

$5 \frac{12}{20} - 3 \frac{5}{20}$

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I think this is right. Hope This Helps

7 0

2 years ago

Read 2 more answers

A closet contains n pairs of shoes. If 2r shoes are chosen at random, (where 2r < n), what is the probability that there will

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We are choosing 2
2
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(
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2
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shoes, (2)22
(
n
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r
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2
2
r
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2
n
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2
2
n
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n
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n
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6
2
n
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3
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2
n
2
n
. So an answer is
22⋅2−22−1⋅2−42−2⋅2−62−3⋯2−4+22−2+1.
2
n
2
n
⋅
2
n
−
2
2
n
−
1
⋅
2
n
−
4
2
n
−
2
⋅
2
n
−
6
2
n
−
3
⋯
2
n
−
4
r
+
2
2
n
−
2
r
+
1
.
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