Angles
What is a 90-degree angle?
A right angle
2x42+52÷(26-1)=?
33
What is it called when a degree is less than 90-degrees?
An acute angle
0
What is it called when an angle is more than 90-degrees?
An obtuse angle
(6+4)2-5+5=
20
What is it called when two angles make 180-degrees?
Supplementary
(1+1)1÷0=
0
What is it called when two angles make 90-degrees?
Complementary
52(8+2)=
35