I need the answers for 2 and 3

Mathematics

1 answer:

Korolek [52]3 years ago

5 0

2- x= -2 y= -1 so the slope is -1/-2
3- x= 2 y= 3 so the slope is 1 1/2
i’m not sure if this is right but i’m learning this as well

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The angle that defines the arc is 1.57 radians or 90°.

<h3 /><h3>How to get the angle of the arc?</h3>

For a circle of radius R, the length of an arc defined by an angle θ in radians is given by:

L = θ*R.

Here we know that the radius is R = 7cm, and the length of the arc is 10.99 cm. Replacing these in the above equation:

10.99 cm = θ*7cm

θ = (10.99 cm/7 cm) = 1.57

Then the angle is 1.57 radians. Remember that:

3.14 radians = 180°

Then:

θ = (1.57/3.14)*180° = 90°

If you want to learn more about arcs:

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