Understanding Similar Triangles

The video tutorial explains how to find the length of a side in similar triangles using proportions. It covers identifying corresponding sides, especially in overlapping triangles, and setting up a proportion to solve for the unknown side. The tutorial demonstrates solving the equation through cross multiplication and concludes with the final solution.

What is the key property of similar triangles that allows us to find unknown side lengths?

• They have equal perimeters.

• Their corresponding angles are equal.

• Their corresponding sides are proportional.

• They have the same area.

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CCSS.HSG.SRT.B.5

Which similarity criterion is used to establish that two triangles are similar in this video?

• Side-Angle-Side (SAS)

• Angle-Angle-Angle (AAA)

• Angle-Side-Angle (ASA)

• Side-Side-Side (SSS)

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CCSS.7.G.B.5

What is the relationship between the angles in the overlapping triangles discussed in the video?

• They are equal due to vertical angles.

• They are supplementary.

• They are congruent due to corresponding angles.

• They are complementary.

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CCSS.HSG.CO.B.7

When setting up the proportion to find x, which sides are compared?

• The bases of both triangles.

• The hypotenuses of both triangles.

• Corresponding sides of the large and small triangles.

• The heights of both triangles.

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the length of the side in the smaller triangle that corresponds to side x in the larger triangle?

• 44 meters

• 28 meters

• 55 meters

• 35 meters

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CCSS.7.G.A.1

What mathematical operation is used to solve the proportion for x?

• Division

• Cross-multiplication

• Subtraction

• Addition

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CCSS.4.MD.A.2

After cross-multiplying, what is the equation formed to solve for x?

• 44x = 28

• 28x = 1540

• 44x = 1540

• 55x = 1540

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CCSS.6.EE.B.7

What is the final step to find the value of x after forming the equation?

• Subtract 44 from both sides.

• Add 44 to both sides.

• Multiply both sides by 44.

• Divide both sides by 44.

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CCSS.8.G.B.8

What is the calculated length of side x?

• 35 meters

• 44 meters

• 55 meters

• 28 meters

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CCSS.2.MD.A.2

What unit is used for the length of side x in the final answer?

• Feet

• Inches

• Meters

• Centimeters

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CCSS.2.MD.A.2