Similarity of Polygons: Calculate The Missing Side based on the formula

Using ratios for calculationWorded problemsIdentifying and defining elements
Question 1

The polygons below are similar.

Calculate X.

XXX333121212888121212888

Question 2

Calculate the length of AB given that the triangles below are similar.

5.25.25.2121212555131313AAABBBCCCDDDEEEHHH

Question 3

Two similar rectangles are shown below.

What is the height of rectangle number 1?

3.53.53.5XXX66614141412

Question 4

Calculate X given that the polygons shown below are similar.

202020101010252525444XXX555

Question 5

The two polygons below are similar.

Calculate the missing sides of the polygon ABCD.

333333333333555

Examples with solutions for Similarity of Polygons: Calculate The Missing Side based on the formula

Exercise #1

The polygons below are similar.

Calculate X.

XXX333121212888121212888

Video Solution

Answer

2

Exercise #2

Calculate the length of AB given that the triangles below are similar.

5.25.25.2121212555131313AAABBBCCCDDDEEEHHH

Video Solution

Answer

4.8

Exercise #3

Two similar rectangles are shown below.

What is the height of rectangle number 1?

3.53.53.5XXX66614141412

Video Solution

Answer

1.5

Exercise #4

Calculate X given that the polygons shown below are similar.

202020101010252525444XXX555

Video Solution

Answer

2

Exercise #5

The two polygons below are similar.

Calculate the missing sides of the polygon ABCD.

333333333333555

Video Solution

Answer

5

Question 1

EFGH is similar to ABCD.

Calculate the lengths of EG and AB.

121212101010131313242424151515AAABBBDDDCCCFFFEEEGGGHHH

Exercise #6

EFGH is similar to ABCD.

Calculate the lengths of EG and AB.

121212101010131313242424151515AAABBBDDDCCCFFFEEEGGGHHH

Video Solution

Answer

EG = 19.5 , AB = 16