Angles
P.E.M.D.A.S
100

What is a 90-degree angle?

A right angle 

100

2x42+52÷(26-1)=?

33

200

What is it called when a degree is less than 90-degrees?

An acute angle

200
(5+5)2-20=

0

300

What is it called when an angle is more than 90-degrees?

An obtuse angle 

300

(6+4)2-5+5=

20

400

What is it called when two angles make 180-degrees?

Supplementary

400

(1+1)1÷0=

0

500

What is it called when two angles make 90-degrees?

Complementary 

500

52(8+2)=

35