Question

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Lara has a triangle that has side lengths of 26, 34, and 58. She wants to reduce the triangle by one half, so she divides each side and each angle measurement by 2.

What error did Lara make?
Lara should have multiplied each measurement by 1/2.

Lara should have only divided the angles by 2 in order to reduce the triangle.

Lara should have only divided the side lengths by 2 in order to reduce the triangle.

Lara did not make an error.

Answer 1

Answer: C

Explanation:

Answer 2

C is correct,

A is wrong as it halves both the angles and lengths by two which is the same as what she did in the first place so it cannot be correct.

B is also wrong for a similar reason, a triangle cannot have less than 180 degrees, which is impossible as the angles just change naturally which is why all triangles must have 180 degrees, which is the reason she is wrong in the first place.

And D is just incorrect, if she wanted to have shorter sides she should have only decreased all the lengths as it the the ratio of angles that determine the shape of a triangle while the sum of all angles is 180 degrees.