Question

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

Yes, because 90 + 90 = 180
.
Yes, because 90 plus 90 equals 180 .

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.

No, because there needs to be a third angle.

Answer 1

No — because the interior angles must sum to 180°. If two angles were 90° each, the third would be 0°, which is not a valid angle for a triangle.