Answer:
B) supplementary angles
C) straight angle
Step-by-step explanation:
There is a straight line, and when an angle is a straight it means its 180 degrees which makes it a supplementary angle and a straight angle.
There are no angles that are 90 degrees so its not complementary or a right angle.
Answer:
3 4/5
Step-by-step explanation:
divide 19 by 5 which gets you that as a decimal
Answer:
hope it helps I have made it in pic
Answer:
10
Step-by-step explanation:
We know that interior plus exterior angles add to 180.
1/5 of 180 = 36
36 degrees = exterior angles
180-36=interior angles
180-36=144
To find the number of sides of a polygon you have to do 360/exterior angles
360/36=10
