MATH 9 Reviewer

In parallelogram GIFT, in diagonal TI, TO = OI. If TO= 24, how long is OI?

• 8

• 10

• 12

• 24

In parallelogram GIFT, if diagonal GF, GO=OF. If GO = 6, how long is GI?

• 4

• 8

• 12

• 16

In a parallelogram GIFT, GT=FI. If GT = 2x + 3 and FI = 5x -12 what is the value of x?

• 3

• 5

• 12

• 15

In a parallelogram GIFT, GI=FT. If GI = 12y+1 and FT = 2y+21 what is the value of x?

• 2

• 5

• 12

• 15

Which type of triangle does the Midline Theorem hold true for?

• Equilateral triangle

• Right triangle

• Scalene triangle

• Any triangle

How do you describe any two opposite angles in a parallelogram?

• They are congruent.

• They are complementary.

• They are supplementary.

• All of the above.

What can you say about two consecutive angles in a parallelogram?

• They are always congruent.

• They are sometimes complementary

• They are always supplementary.

• They are never congruent.

It is a four-sided polygon has 4 vertices and the sum of the interior angles is 360 degrees.

• Polygon

• Quadrilateral

• Square

• Triangle

If one angle in a parallelogram measures 75 degrees, what is the measure of its adjacent angle?

• 75°

• 105°

• 120°

• 180°

In a parallelogram, if one angle measures 60 degrees, what is the measure of its adjacent angle?

• 30°

• 60°

• 120°

• 180°