Geometric Mean

Multiple Choice

What does altitude mean?

• base

• height

• length

• distance

Dropdown

The hypotenuse is the ​

Select answer

side of a right triangle.

Dropdown

Congruent shapes are those that have the ​

Select answer

shape and the​

Select answer

size.

Dropdown

Similar shapes have the ​

Select answer

angles and proportional sides, but are ​

Select answer

sizes.

Similar Triangles

Def: Similar triangles have the same angles, proportional sides and different sizes. Where the 2 triangles on the inside are dilations of the biggest triangle.

​Click the link to see a simulation of Similar Triangles.

Dropdown

When looking at similar triangles, we know that 2 of the triangles are ​

Select answer

of the first triangle. This causes the sides of all three triangles to be ​

Select answer

and their angles to be ​

Select answer

.

Multiple Choice

Find the geometric mean of 9 and 4.

• 3
• 6
• 8
• 13

Multiple Choice

Find the geometric mean of 16 and 1.

• 4
• 8
• 12
• 2

Multiple Choice

Find the geometric mean of 9 and 64.

• 24
• 40
• 15
• 72

Multiple Choice

Find the geometric mean of 36 and 4.

• 8
• 12
• 20
• 16

Math Response

Find the altitude of the triangle.

Type answer here

Correct Answer: 6

Deg^°

Rad

Math Response

Find the altitude of the triangle.

Type answer here

Correct Answer: 8

Deg^°

Rad

Math Response

Find the missing leg of the triangle.

Type answer here

Correct Answer: 25

Deg^°

Rad

Math Response

Find the missing leg of triangle.

Type answer here

Correct Answer: 18

Deg^°

Rad

Math Response

Find the hypotenuse of the indicated triangle.

Type answer here

Correct Answer: 12

Deg^°

Rad

Math Response

Find the hypotenuse of the indicated triangle.

Type answer here

Correct Answer: 12.25

Deg^°

Rad

Open Ended

Find the missing legs of the triangle.

Answer Notation:

x =

y =

Open Ended

Find the missing legs of the triangle.

Answer Notation:

x =

y =

Open Ended

Find the missing legs of the triangle.

Answer Notation:

x =

y =

z =

Open Ended

Find the missing legs of the triangle.

Answer Notation:

x =

y =

z =

Skills Practice and DOL