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Marat540 [252]
3 years ago
7

Select all angles that have a negative measure.

Mathematics
2 answers:
Katen [24]3 years ago
7 0

Answer:

Step-by-step explanation:

Left Panel

Angles with a positive measure all go anticlockwise  if that is still taught. An example of that is the top one  on the left panel. That's the counterclockwise direction. A and C are both going anticlockwise so they are going in the plus direction. (You are still in the left panel). The middle one is going clockwise so it is minus.

Central Panel

Top is clockwise so it is minus

Middle is counterclockwise so it is plus

I don't want to make a guess, but the third one is clockwise and minus.

Right Panel

The top one is anticlockwise so it is plus

The second one is clockwise, so it is minus

joja [24]3 years ago
7 0

Answer:

b, d, and f

Step-by-step explanation:

This is the correct answer on ed-genuity. The reason these are right is because these three are going clockwise, which is the direction that negative measures go in.

Hope this helps! :)

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△ABC is a right isosceles triangle, the centers of two arcs are the midpoint of AB
mel-nik [20]

Answer:

  0

Step-by-step explanation:

Let's define 3 areas:

  • S = area of semicircle with radius 6 in (diameter AB)
  • T = area of quarter circle with radius 6√2 in (radius AC)
  • U = area of triangle ABC (side lengths 6√2)

The white space between the "moon" and the triangle has area ...

  white = T - U

Then the area of the "moon" shape is ...

  moon = S -white = S -(T -U) = S -T +U

The area we're asked to find is ...

  moon - triangle = (S -T +U) -U = S -T

__

The formula for the area of a circle of radius r is ...

  A = πr²

So, ...

  S = (1/2)π(6 in)² = 18π in²

and

  T = (1/4)π(6√2 in)² = 18π in²

The difference in areas is S -T = (18π in²) -(18π in²) = 0.

There is no difference between the areas of the "moon" and the triangle.

4 0
3 years ago
(-4, 8) and (6, 2). Slope
Setler79 [48]

Answer:

In order to go from the first point to the second, we need to rise from 4 to 7, i.e. by 3. We also need to run from -4 to -2, i.e. by 2. Therefore the slope is 32 .

Step-by-step explanation:

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2 years ago
I need help again...
Vsevolod [243]
1. 80cm
2. 48cm
3. 6 cm
8 0
2 years ago
If you know trig please help! Will give brainliest!
kaheart [24]

Answer:

sin^2α

Step-by-step explanation:

I will just  pose  x instead  of alpha  here to make things simpler

\tan ^2\left(x\right)\left(2\cos ^2\left(x\right)+\sin ^2\left(x\right)-1\right)\\\\

we know that sin^2x = 1 -  cos^2x so...

=\left(-1+1-\cos ^2\left(x\right)+2\cos ^2\left(x\right)\right)\tan ^2\left(x\right)

=\cos ^2\left(x\right)\tan ^2\left(x\right)

we can rewrite using trigonometric identities (tan = sin/cos)...

=\left(\frac{\sin \left(x\right)}{\cos \left(x\right)}\right)^2\cos ^2\left(x\right)\\= \sin ^2\left(x\right)

6 0
2 years ago
PLS I NEED RELLAY NEED HELP RIGHT NOW
Margaret [11]

Answer:

40%

Step-by-step explanation:

\frac{8}{20} = \frac{2}{5}

\frac{2}{5} = 0.40

0.40 = 40%

5 0
3 years ago
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