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alexdok [17]
3 years ago
7

Convert –18° to radians

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
5 0
I think it will be 0.314 radian
MariettaO [177]3 years ago
3 0

Answer:

-π/10 radians

Step-by-step explanation:

To convert degrees to radians, the following conversion is used:

180° = πrad

To convert -18° to radians

Let -18° = x rad

Cross multiplying both equalities to find the unknown variable x we have;

180° × x = -18° × π

x = -18π/180°

x = -π/10radians

The conversion of -18° to radians is -π/10radians

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Step-by-step explanation:

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kvasek [131]

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Step-by-step explanation:

Given point:

(7,-6)

The angle lies such that the terminal side of the angle contains the given point.

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Solution:

The terminal side of the angle is where the angle ends with the initial side being the positive side of the x-axis.

So, we can plot the point (7,-6) by moving 7 units on the x-axis horizontally and -6 units on the y-axis vertically.

We can find the distance of the point from the origin by find the hypotenuse of the triangle formed.

Applying Pythagorean theorem.

Hypotenuse^2=Shorter\ Leg^2+Shortest\ Leg^2

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Hypotenuse^2=49+36\\Hypotenuse^2=85

Taking square root both sides :

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Hypotenuse = 9.29\ units

Thus, the distance of the point from the origin = 9.29 units.

The figure is shown below.

5 0
3 years ago
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