Angles and Sides Quadrilaterals

What is the value of x?

• 360

• 120

• 30

• 60

Find the missing angle.

• 30

• 60

• 90

• 120

• 15 IN. because opposite sides are congruent in a rhombus.

• 15 IN. because all sides are congruent in a rhombus.

• 30 IN. because diagonals bisect each other in a rhombus.

• 30 IN. because diagonals are perpendicular in a rhombus.

• 10 ft. because opposite angles are congruent in an isosceles trapezoid.

• 10 ft. because the diagonals bisect each other in an isosceles trapezoid.

• 10 ft. because all sides of an isosceles trapezoid are congruent.

• 10 ft. because the legs of an isosceles trapezoid are congruent

• 10 cm because opposite sides are congruent in rectangles.

• 10 cm because all sides are congruent in rectangles.

• 24 cm because opposite sides are congruent in rectangles.

• 24 cm because all sides are congruent in rectangles.

• 45 because base angles sum to 180 in isosceles trapezoids.

• 135 because all angles are congruent in isosceles trapezoids.

• 45 because opposite angles are congruent in isosceles trapezoids.

• 135 because base angles are congruent in isosceles trapezoids.

• 6 because all sides are congruent in a square.

• 9 because all sides are congruent in a square.

• 18 because opposite sides are congruent in a square.

• 81 because opposite sides are congruent in a square.

Find the missing angle.

• 65°

• 85°

• 75°

• 70°

What is the sum of a Quadrilaterals interior angles?

• 180

• 360

• 400

• 240

The shown quadrilateral is a rectangle. If AB is 10 what is the length of DC

• 10

• 5

• 15