Angles Triangles Rectangles and Trapezoids

Has only one pair of parallel sides.

• Rectangle

• Square

• Trapezoid

• Kite

Has one pair of parallel sides and one pair of congruent sides.

• Trapezoid

• Rectangle

• Rhombus

• Isosceles Trapezoid

Lines that cross at 90 degree angles are

• Parallel

• Perpendicular

• Congruent

• Not possible

Using only the information given, classify the triangle below.

• isosceles

• equilateral

• right

• scalene

THe trapezoid is divided into 2 triangles and 1 rectangle. Lengths are given in inches. What is the combined area, in square inches, of the 2 shaded triangles?

• 4

• 6

• 9

• 12

• 18

Angles that have a measure less than 90 degrees are called _____ ______.

• acute angles

• obtuse angles

• right angles

• straight angles

An angle that measures greater than 90° but less than 180°

• Right

• Straight

• Obtuse

• Acute

Using only the information given, classify the triangle below.

• right

• obtuse

• isosceles

• equiangular

Using only the information given, classify the triangle below.

• obtuse

• equilateral

• acute

• right

Using only the information given, classify the triangle below.

• obtuse

• equilateral

• right

• scalene