How to find the missing side of two similar triangles

The video tutorial covers the concept of similar triangles, explaining how they are proportional to each other. It discusses the properties and lengths of triangles, and how to identify proportional relationships. The tutorial also demonstrates solving equations to find unknown values in triangles, and concludes with a review and addressing student questions.

What is the relationship between similar triangles?

• They have the same shape but different sizes.

• They have different shapes and sizes.

• They are identical in every aspect.

• They have the same size.

How do you set up a proportion equation for similar triangles?

• By equating the sum of all sides.

• By equating the ratios of corresponding sides.

• By equating the areas of the triangles.

• By equating the angles of the triangles.

What is the first step in solving the proportion equation for X?

• Subtract the smaller side from the larger side.

• Cross-multiply the terms.

• Add the sides together.

• Divide the sides by a common factor.

What property is applied after cross-multiplying in a proportion equation?

• Associative property

• Commutative property

• Distributive property

• Identity property

What is the final value of X after solving the equation?

• 6

• 14

• 4

• 12