Question

2 lines form a V and come out of the line. The middle angle formed is 90 degrees, and the right angle is 45 degrees.

Which statements describe the relationship of the angles in the triangle? Check all that apply.

A)The sum of the three angles is 90°.
B)The sum of the angles in the triangle is 180°.
C)The three angles are adjacent and form a straight angle.
D)The third angle is 45°.
E)There is a pair of congruent angles.

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Given : Three angles of a triangle are cut off and lined up on the line  .

2 lines form a V and come out of the line. The middle angle formed is 90 degrees, and the right angle is 45 degrees.

To Find : which statements are true

Solution:

The sum of the three angles is 90°  is False

as one angle itself is 90°

The sum of the angles in the triangle is 180°. - TRUE

The three angles are adjacent and form a straight angle.  TRUE

45° + 90° + 45° = 180°

The third angle is 45° - TRUE

as 180° - 90° - 45° = 45°

There is a pair of congruent angles.  - TRUE

45° = 45°

BCDE are correct  

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