Find the areas of the sectors formed by ZDFE. Round your answers to the nealest hundredth.

Mathematics

1 answer:

Sonja [21]2 years ago

3 0

Answer:

Step-by-step explanation:

Area of the sector is modeled by the expression = $\frac{\theta}{360}(\pi ) r^{2}$

Here, θ = central angle subtended by the arc

r = Radius of the circle

Area of the red sector = $\frac{137}{360}(\pi)(28)^{2}$

= 937.311

≈ 937.31 m²

Therefore, area of the red sector is 937.31 m².

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A small town surveys 250 adults, 180 of which are parents, about whether or not a park should be expanded. The results showed th

guajiro [1.7K]

Given are:
250 adults and 180 parents
so we can solve the number of not parents
not parents = 250 - 180
not parents = 70
then we can number of people of votes for no
no not parents = 70 - 40 = 30
no parents = 180 - 150 = 30
yes no
parents 150 30
not parents 40 30

5 0

2 years ago

Simplify: -|-15| please answer correctly i'll give brainliest and 5-star rating.

12345 [234]

Answer:

-15

Step-by-step explanation:

Definition of absolute value:

Distance from zero on a number line.

Imagine a number line with 0 in the middle of it. Now mark the number 3 on it. Also mark the opposite of 3, which is -3. What is the distance from zero to those 2 points? it's 3.

This is exactly like saying |3| = 3 and |-3| = 3

Even if the number inside absolute value is negative, it simplifies to the positive of the same number.

_______________________________

So let's talk about your problem.

-|-15|

> the absolute value simplifies to 15

-|-15| = - 15

So that ends up being your answer.

$-15$

Hope this helps!!!!!!!

7 0

2 years ago

Who can help me? please Thank you

4vir4ik [10]

The sum of the interior triangles in a triangle is 180, so if we add all the angle measures together, we should get 180. Therefore, we can make an equation like this,

$110-2x+x+50+5x-40=180$