An angle is 70 degrees. What type of angle is it?
reflex
circle
straight line
acute angle
Which is an obtuse angle?
20
91
58
Estimate this angle. Then chose the answer you think it is.
22
45
100
10
Apart from using a protractor, how would you know if a triangle adds up to 180 degrees?
Measure it
tear it up and put it on a straight line
do nothing
go to bed
What type angle is 180 degrees
straight line
reflex
acute
all of the above