Compound Shapes Review

What is the formula for area of a rectangle?

• $A\ =\ side\ \times\ side$

• $A\ =\ length\ \times\ width$

• $A\ =\ \frac{base\times height}{2}$

• $A\ =\ \pi r^2$

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

What is the area of this rectangle?

• $18m^2$

• $9m^2$

• $20m^2$

• $40m^2$

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

What is the area of this square?

• $16m^2$

• $4m$

• There's only one side given??

• $8m^2$

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

How do i work out the perimeter of this shape ?

• Split it into two rectangles

• Multiply the lengths

• Find the area first

• Add up all the outside lengths

Tags

CCSS.3.MD.D.8

What is the perimeter of the rectangle?

• 28 sq feet
• 28 feet
• 48 feet
• 48 sq feet

Tags

CCSS.4.MD.A.3

How do you find the area of a triangle?

• multiply base times height

• multiply base times height then divide by two

• find the distance around the triangle

Tags

CCSS.6.G.A.1

What is the height of this triangle?

• 9 cm

• 12 cm

To calculate the area of this compound shape you would split it into two..........

• halves

• rectangles

• squares

Find the missing yellow length

• 2 cm

• 6 cm

• 9 cm

• 4 cm

The compound shape has been split into 2 rectangles. The area of rectangle A is

• 11

• 20

• 44

• 60

Tags

CCSS.3.MD.C.7D