AREA: Parallelogram, Rhombus, & Triangle

What does area mean?

• measures the distance around a 2D shape

• measures half the distance around a shape

• measures the amount of space inside a 3D shape

• measures the amount of space inside a 2D shape

Which is the correct area formula for Parallelograms?

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Tags

CCSS.6.G.A.1

Which is the correct area formula for Triangles?

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Tags

CCSS.6.G.A.1

What does perimeter measure?

• outside of a 3D shape

• inside of a 2D shape

• outside of a 2D shape

• inside of a 3D shape

Why use HEIGHT instead WIDTH when getting area?

• The angle must be 90 degrees

• The angle must ACUTE

• The angle must be OBTUSE

• you dont ever need Height

Given: The height is a straight line from the bottom base to the top base (or base to highest point in a triangle) that must make a 90 degree angle with the base. Can the side of a parallelogram or rhombus be the height?

• NO, NEVER

• Yes, ALWAYS

• In special circumstances only

Given: The height is a straight line from the bottom base to the top base (or base to highest point in a triangle) that must make a 90 degree angle with the base. Can the side of a triangle be the height?

• No, NEVER

• Yes, ALWAYS

• Only when you have a right triangle

• Only when you have an acute triangle

Find the area of the parallelogram.

• 12 units²
• 10 units²
• 13 units²
• 6 units

Tags

CCSS.6.G.A.3

Find the area of this triangle.

• 150 ft²
• 100 ft²
• 50 ft²
• 35 ft²

Tags

CCSS.6.G.A.1

What is the area of this rectangle?

• 29 in²

• 58 in²

• 180 in²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3