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

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

Exercise #1

What is the ratio between sides AB and BD?

202020555AAABBBCCCDDDEEE5535

Video Solution

Answer

4

Exercise #2

Triangles CED and ABC are similar.

Choose the correct equation for calculating X.

535353999333XXX444555AAABBBCCCDDDEEE

Video Solution

Answer

x+4=12 x+4=12

Exercise #3

Triangles DEF and ABC are similar.

What is the length of side DF?

999121212151515666888AAABBBCCCDDDEEEFFF

Video Solution

Answer

10

Exercise #4

Triangles FED and ACB are similar.

Calculate the length of X.

XXX101010242424202020AAABBBCCCDDDEEEFFF

Video Solution

Answer

12

Exercise #5

The triangles KNR and DFE are similar.

What is the value of X?

505050808080505050808080XXX999XXX444NNNKKKRRRDDDEEEFFF

Video Solution

Answer

6 6

Exercise #6

Triangles KRA and ENB are similar.

What is the length of side RA?

121212X+6X+6X+6101010333XXXKKKRRRAAABBBEEENNN

Video Solution

Answer

8

Exercise #7

What is the length of side DB equal to?

3535352121218+2X8+2X8+2X6+7X6+7X6+7XDDDAAACCCBBBEEE

Video Solution

Answer

33

Exercise #8

Triangles ABE and ADC are similar.

AC = 5

Calculate X and Y.

3.53.53.5XXXYYY333333AAACCCDDDBBBEEE

Video Solution

Answer

X=2.1 , Y=4.5

Exercise #9

Calculate the length of side CD.

303030303030XXX3335552+X2+X2+XEEEAAADDDBBBCCC

Video Solution

Answer

5

Exercise #10

AB is parallel to DE.

Calculate a×b a\times b .

333222aaabbb7.57.57.5AAABBBCCCDDDEEE

Video Solution

Answer

15

Exercise #11

What is the length of side AE equivalent to?

747474484848323232DDDEEECCCAAABBB

Video Solution

Answer

159

Exercise #12

Triangles EBN and KAR are similar.

Which of the equations is correct for calculating the length of AR and EN?

121212X+6X+6X+6101010333XXXKKKRRRAAABBBEEENNN

Video Solution

Answer

x+6=4x x+6=4x