# Math Quadrilaterals Special Properties Flashcards

## S1 Quiz

If a rectangle is cut into 4 triangles, the triangle at the side is an?

isosceles

The four angles at each corner of a rectangle are?

Equal (reason: angles in a rectangle)

Opposite sides of a rectangle are?

Equal and Parallel

What is the sum of a quadrilateral?

360 degrees (reason: angles sum of a quadrilateral)

The diagonals in a rectangle are?

Equal in length and bisect each other

The opposite sides of a parallelogram are?

equal and parallel

The two angles at the top and bottom corners of the same side of a parallelogram add up to?

180 degrees (reason: interior angles, __//__)

The opposite angles in a parallelogram are?

equal (reason: opposite angles of a parallelogram)

All four sides of a square are?

equal

The diagonals of a parallelogram?

Bisect each other (not into equal halves)

The opposite sides of a square are?

parallel

The corner angles of a square are?

Equal and is 90 degrees each (reason: angles in a square)

The diagonals in a square are? (2)

Bisect each other at 90 degrees

The diagonals in a square are? (1)

Equal in length

when a square is cut into four triangles, the triangle at the side is?

an isosceles