Find the measure of Angle A in the diagram below.

Question

anonymous · Answer

attachment

anonymous · Answer

answers: 74°, 84°, 68°, 88°

mertsj · Answer

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mertsj · Answer

You can divide the figure into 4 triangles so the total of all the interior angles must be 4 x 180. You know all the angles except 1 so you can find the missing angle.

anonymous · Answer

still confused :[

compassionate · Answer

Hi, you know that this is composed of four triangles. You know they all share a common right angle. You also know that an angle on the bottom triangle is 160 degrees. You add all the angles up, and then subtract 180 from them.

mertsj · Answer

What is the sum of the angles of 4 triangles?

anonymous · Answer

546? hmm i think im doing this wrong:(

mertsj · Answer

How many degrees in the 3 angles of 1 triangle?

mertsj · Answer

@emmadeezy   How many degrees in the 3 angles of 1 triangle?

anonymous · Answer

theres 180 in a triangle, right? :/

mertsj · Answer

Then how many degrees in 4 triangles?

anonymous · Answer

720?

mertsj · Answer

You know all of the angles except 1.  Add up all of the ones that you know and subtract from 720.  That will be the missing angle.

anonymous · Answer

174?

ranga · Answer

You missed the 90 degree angle at C.

mertsj · Answer

No.  Did you miss the right angle?

anonymous · Answer

84?

ranga · Answer

Yes. 84.