67 Answered Questions for the topic Angle

10/29/15

Finding coordinates using circles

Find the coordinates of the point at the given angle on a circle of radius 4.2 centered at the origin (a) −540? (b) 135?

10/29/15

Sine and Cosine with angles

Find an angle θ, with 0? < θ < 360?, that has the same: (a) Cosine as 240? (b) Sine as 240?

09/16/15

What is the measure of the angle formed by the line and the northern half of the wall

From the center of long straight wall, Tim painted a straight line on the floor in the room. Tim then measured the angle made by the line and the southern half of the wall to be 102.7 degrees. What... more

06/30/15

If an angle is 20 degree more than its supplement,then find it.

if an angle is 20 degree more than its supplement, then find it.  

02/09/15

Between the times 830 am and 3:30 pm, how many times will the hour and minute hands form a right angle on a clock face?

Between the times 830 am and 3:30 pm, how many times will the hour and minute hands form a right angle on a clock face?   a. 2 b. 5 c. 11 d. 12   My answer is a but in the book answer is d.  

02/06/15

Find the angle of refraction of light incident on a water surface

Find the angle of refraction of light incident on a water surface at an angle of incidence of 52°. What is the speed of light in water?

01/10/15

A ship is sailing on a bearing of SE. It changes direction and sails on a bearing of NE. Through what angle did it turn?

A ship is sailing on a bearing of SE. It changes direction and sails on a bearing of NE. Through what angle did it turn?  

10/19/14

Find the angle alpha between the vectors

Find the angle between the vectors  [-3  3] and  [-5   5]    

10/19/14

Find the angle between the vectors

Find the angle between the vectors  [1  4 -5]   and [5 -5 4]

10/02/14

Find the measures of each angle.

When angles are complementary, the sum of their measures is 90 degrees. Two complementary angles have measures of 2x-10 degrees and 3x-10degrees.

09/16/14

please help me i dont understand this question at all

   A ray of light strikes a mirror. The angle formed by the incident ray and the reflected ray measures 90 degrees. What are the measurements of the angle of incidence and the angle of reflection?

07/05/14

Find a positive and negative angle whose absolute value is less than 360° and is coterminal with the given angle.-485°

Find a positive and negative angle whose absolute value is less than 360° and is coterminal with the given angle.-485°

05/17/14

Applications of the Dot Product (Vectors)

Determine the angle between vector PQ and the positive x-axis, given endpoints P(4,7) and Q (8,3)

02/22/14

write the following in the polar form

Write the following in the polar form reiθ, -pie<0≤piea)πi r=θ=b)-2√2- 5ir=θ=c) (1-i)(-√(3)+i))r=θ=d)(√(2)-5i))2r=θ=e)(-5+√(2i))/(5+3i)r=θ=f) -√7(1+i)/ √(3) +ir=θ=

03/17/13

The length of an arc is 10cm. find the angle subtending by the arc if the circumference of the circle of which the arc forms part is 60cm.

The length of an arc is 10cm. find the angle subtending by the arc if the circumference of the circle of which the arc forms part is 60cm.

01/24/13

Need to find the measure of one interior angle in a regular 11-gon.

round to the nearest tenth if necessary.

10/22/12

I have a 90 degree angle and I need to find all the angle measures and the equation is 4x-2

how do i find all the angle measures of a 90 degree angle with an equation that is 4x-2?
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