Question

Can a triangle have two right angles, and why or why not?(1 point)
Responses

Yes, because 90 + 90 = 180
90

+

90

=

180
.
Yes, because 90 plus 90 equals 180 .

No, because there needs to be a third angle.
No, because there needs to be a third angle.

No, because a triangle must have an obtuse angle.
No, because a triangle must have an obtuse angle.

Yes, because it would be a right triangle.
Yes, because it would be a right triangle.

Answer 1

No — because the interior angles of a triangle sum to 180°. Two right angles are 90° + 90° = 180°, leaving 0° for the third angle, which is impossible (angles must be positive).