Area of triangles, parallelograms and composite shapes

What is the formula for area of a triangle?

• 1/2 x B x H

• 2 x B x H

• LBH

• H x B

Tags

CCSS.6.G.A.1

What is the area of this triangle?

• 36m²

• 9m²

• 18m²

• 13m²

Tags

CCSS.6.G.A.1

What is the area of this triangle?

• 20m²

• 30m²

• 60m²

• 780m²

Tags

CCSS.6.G.A.1

What is the area of this triangle?

• 294.8²

• 100²

• 248.5²

• 299.3²

Tags

CCSS.6.G.A.1

What is the area of this triangle

• 140m²

• 14m²

• 70m²

• 80m²

Tags

CCSS.6.G.A.1

What is the formula for area of a parallelogram?

(a)  

Tags

CCSS.6.G.A.1

What is the area of this parallelogram?

• 35m²

• 15m²

• 75m²

• 1225m²

Tags

CCSS.6.G.A.1

What is the area of this parallelogram?

• 13m²

• 30m²

• 44m²

• 40m²

Tags

CCSS.6.G.A.1

What is a composite shape?

• A star

• A blob

• Two blobs

• More than one shape combined to make a new shape.

Tags

CCSS.1.G.A.2

How do you work out area of a composite shape?

• Formula for area of a rectangle

• Formula for area of a triangle

• Formula for area of a blob

• Area of each separate shape, then add it together.

Tags

CCSS.6.G.A.1