Area Of Shapes

How do you find the area of a triangle?

• A = ½bh
• A = ½h(a + b)
• A = πr²

Tags

CCSS.7.G.B.6

How do you find the area of a circle?

• A = ½bh
• A = ½h(a + b)
• A = πr²

Tags

CCSS.HSG.GMD.A.1

How do you find the area of a trapezoid?

• A = ½bh

• $A=\frac{\left(b_1+b_2\right)}{2}\times h$

• A = πr²

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

What is the radius?

• 18 ft
• 72 ft
• 38 ft
• 14 ft

Tags

CCSS.7.G.B.4

Find the area of this triangle.

• 12 in²
• 22 in²
• 18 in²
• 24 in²

Tags

CCSS.6.G.A.1

What is the diameter?

• 8 cm
• 16 cm
• 10 cm
• 4 cm

Tags

CCSS.7.G.B.4

Find the area of the circle (use 3.14 for  $\pi$ )

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

Find the area of this triangle.

• 20 cm²
• 35 cm²
• 40 cm²
• 17.5 cm²

Tags

CCSS.HSG.SRT.D.9