45-45-90
Square Roots
Hypotenuse
Leg
30-60-90
100

The short leg of a 45-45-90 triangle is a length of 5. What is the length of the hypotenuse?

5 sq rt 2

100

√25

5
100

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle with legs 3 and 4 cm long

5 cm

100

In the Pythagorean theorem  a2 + b2 = c2, what are a and b called?

Legs

100

True or False

The legs are the same length in a 30-60-90 right triangle.

False

200

If I know a leg of a 45-45-90 triangle, what is the formula to find the hypotenuse?

200

√100

10

200

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 6 and 8.

10

200

In a right triangle of lengths 5, 13 and 12, which side is the hypotenuse?

13 length side

hypotenuse is always the longest side

200

If I know the hypotenuse of a 30-60-90 triangle, what is the formula to find the short leg (SL)?

300

If I know one leg of a 45-45-90 right triangle, how do I find the other leg?

legs are equal, so if you know one, you know both

300

3√81

27
300

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 5 and 12.

13

300

Use the Pythagorean theorem a2 + b2 = c2 to find the missing SIDE for the triangle with a=6 and c=10

b=8

300

The long leg of a 30-60-90 is sq rt 3. What is the length of the short leg?

1

400


Solve for x and y

y = 8

x = 8 sq root 2

400

Show in simplest radical form

5√48

20√3

400

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 9 and 12.

15

400

Use the Pythagorean theorem a2 + b2 = c2 to find the missing SIDE for the triangle with b=9 and c=20

a=17.9

400

The short leg of a 30-60-90 triangle is a length of 7. What are the lengths of the other sides?

7 sq rt 3 and 14

500

If the hypotenuse of a 45-45-90 triangle is 16, what is the length of the legs?

8 sq rt 2

500

Show in simplest radical form

6√225 x 4√128

2880√2

500

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 12 and 16.

20

500

Use the Pythagorean theorem a2 + b2 = c2 to find the missing SIDE for the triangle with b=10 and c=15

a = 11.2

500

The length of the hypotenuse of a 30-60-90 triangle is 10 sq rt 2. What are the lengths of the short leg and the long leg?

5 sq rt 2 and 5 sq rt 6