Traingles

Find the measure of each angle indicated:

The two internal angles are 30 and 50. What is the exterior angle?

• 100

• 73

• 87

• 80

The internal angle is 37 degrees and the external angle is 78 degrees. How many degrees is the other internal angle?

• 102

• 40

• 31

• 41

The external angle is 75 degrees and the internal angle is 35 degrees. How many degrees is the third interior angle?

• 40

• 105

• 47

• 35

Combine Like Terms and solve for x

11x-10=6x+11+39

• x=15

• x=11

• x=12

• x=13

Combine like terms and solve for x

10x+2=2x+1+89

• x=11

• x=9

• x=10

• x=15

Combine like terms and solve for x

11x+8=5x-5+55

• x=7

• x=3

• x=2

• x=10

Do the following measurements form a right triangle?

a=6 b=8m and c=9

• Yes

• No

Do the following angles form a right triangle?

a=3 b=4 and c=5

• Yes

• No

Do the fololwing angles form a right triangle?

a=6.4 b=12 c=12.2

• Yes

• No

Find each missing length

Formula a²+b²=c²

a=7 and b=10 c?

• 12.2

• 15

• 8

• 5