Angles and Triangles Review

Triangles

100

I have one 90 degree angle.

A right triangle

200

I have 3 sides that are all the same length. What is the size of each angle?

60 degrees

300

I am an isosceles triangle. My vertex angle is 40 degrees. What is the value of each of my other 2 angles?

70 degrees

400

I am an triangle with angles 2x, 3x and 5x. What is the value of x?

x=18

500

The exterior angle of a triangle is 120 degrees. One of the opposite interior angles is 80 degrees and the other is 2y degrees. Find y.

y=20

Angles

100

Angles on a straight line is equal to what?

180

200

Complementary angles are two angles that add to

90

300

A right angle has 2 angles. One angle is 25 degrees. What is the other angle?

65 degrees

400

There are 4 equal angles on a straight line. what is the measurement of each angle?

45

500

There are 2 angles on a straight line. One of the angle is 3x+50. The other angle is 40 degrees. Find x

x=30

Equations

100

2x=180, x=_____

x=90

200

5m+1=16. m=____

m= 3

300

2(k+4)=12. k=____

k=2

400

g/4+12=15. g=____

g=12

500

3(x+2)+4(x+5)=40

x=2

Triangles and Parallel lines

100

What are 4 ways to prove congruency?

SSS SAS AAS(ASA) RHS

200

Triangle ABC=Triangle EFG. What side corresponds to side CA?

side GE

300

An isosceles right angled triangle has what angles?

90, 45 and 45

400

2 alternate angles on a set of parallel lines are 4x-10 and 3x+10. Find the value of x.

x=20

500

When I have two parallel lines with a line going through them, that line is called a.....?

Transversal