emurray

21.05.2020 • 

Mathematics

Understanding Congruence and Similarity
Which statements are true? Check all that apply.
The corresponding sides of similar triangles have proportional lengths.
The corresponding sides of congruent triangles have the same lengths.
The corresponding angles of similar triangles have different measures.
If corresponding sides of two triangles are not the same length, the triangles are not similar.
If corresponding sides of two triangles are not the same length, the triangles are not congruent.

Ответ:

davidreed11

07.06.2023

Mathematics

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It’s a right triangle so start by using SOH CAH TOA, an acronym that helps with the relationships in a tight triangle. You want to find the side adjacent to the angle, so you would use the middle part; CAH which means cosine adjacent over hypotenuse. So cosine of 45 degrees is equal to x divided by 3root(2).

Then you solve the equation for x to get x = cos45° * 3(sqrt(2))

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