One. A triangle has 3, a trapezoid has 4.
Four: no more, no fewer.
1
3
No a pentagon has way more angles than a triangle does.
The most right angles a triangle can possibly have is 1. Any more than that, and it has to be a quadrilateral.
No, for two reasons. First of all, a trapezoid has only 4 angles, so you can't have 5 angles, or it would be a pentagon. Second of all, the maximum number of obtuse angles someone can have in a trapezoid is two.
a triangle can have only one right angle because the sum of all the three angles of a triangle has to be 180. so if there are more than one right angles, the sum of the angles will exceed 180 and hence the plane figure will no longer be a triangle
Every triangle has at least three angles.
A triangle can have no more than one right angle (90 deg).
A trapezoid cannot have three right angles. If it did it would either need more than four sides, or it would be a rectangle or a square.
A rectangle must have two (2) pairs of parallel sides, a trapezoid only needs one (1). A rectangle is a quadrilateral with 4 right angles, and a trapezoid is a quadrilateral with 1 pair of opposite parallel sides.
The all have 2 or more sides