Grade 6 Unit 1 Lesson 9 Quiz

Which of the following drawings correctly identifies a base and height that meet at a right angle?

• Drawing A

• Drawing C

• Drawing E

• Drawing F

What is the area of a triangle with a base of 4 units and a height of 6 units?

• 10 square units

• 12 square units

• 24 square units

• 18 square units

How is the area of a triangle related to its base and height?

• Area is base times height

• Area is twice the base times height

• Area is half of base times height

• Area is base plus height

What is the area of a triangle with a base of 8 units and a height of 4 units?

• 12 square units

• 24 square units

• 32 square units

• 16 square units

For a right triangle with base D, which side is the corresponding height?

• Side G

• Side H

• Side F

• Side E

What is the area of a shaded triangle with a base and height both measuring 6 units?

• 12 square units

• 24 square units

• 18 square units

• 36 square units

Which statement is true about the triangles created by a diagonal line in a parallelogram?

• Each triangle has two sides that are three units long

• The triangles have different areas

• Each triangle has a side equal to the diagonal

• One triangle is larger than the other

When estimating the area of an octagon, why must it be less than 100 square inches?

• The octagon is smaller than a 10x10 square

• The octagon is exactly 100 square inches

• The octagon is a perfect square

• The octagon is larger than a 10x10 square

What is the exact area of the octagon if the white areas are removed from a 100 square inch square?

• 75 square inches

• 100 square inches

• 90 square inches

• 82 square inches

How many triangles are formed when a diagonal is drawn in a parallelogram?

• One

• Two

• Three

• Four