Question

help for me to me get answar get point math help me full given​

Answer 1

Step-by-step explanation:

4.Common vertex,Common side

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5(a).Example 1: If angle AOB = 57°, what is the size of reflex angle AOB. Solution: A reflex angle and its corresponding angle always add up to 360°. Therefore, reflex angle AOB = 360° − 57° = 303°.

5(b).The reflex angle of 90 degrees is 270 degrees. A reflex angle measures greater than 180 degrees but less than 360 degrees.

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7.

sum of the four angles of a quadrilateral=360

let us take the other two angles as x

75+115+x+x=360

Now bring all the terms except x from the left to right

x+x=360-75-115

2x=360-190

2x=170

x=170/2

=85°

the other two angles are 85°

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