Area/Volumn/Surface Area

Area/Volume/Surface Area

Standard 7.G.B.5

Area Formulas

• Triangles - 1/2(b)(h)

• Parallelogram - b(h)

• Trapezoid - 1/2(h)(b1+b2)

Parts of a Circle

• Diameter - distance across the circle through the center

• Redius - half the diameter

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What is area?

Area is the unit of measurement squared.

Example of finding the area of a triangle

Multiple Choice

Find the area of the triangle.

• 36

• 72

• 36 units²

• 72 units²

Multiple Choice

Find the area of the triangle.

• 30 m²

• 60 m²

• 16 m

• 30 m

Multiple Choice

Find the area of the triangle.

• 10 cm²

• 24 cm²

• 12 cm²

Multiple Choice

How do you find the area of a triangle?

• base x height

• take half of the base times the height

• add up all of the sides

Find the area of the triangle shown.

Find the area of the triangle.

Surface Area of a Rectangle

Multiple Choice

What is the surface area of this figure?

• 200 cm ²

• 800 cm ²

• 400 cm ²

• 100 cm ²

Multiple Choice

Find the surface area of this figure.

• 148 cm²

• 120 cm²

Finding the surface area of a triangle

Multiple Choice

_{Find the Surface Area}

• 500 ft²

• 515 ft²

• 525 ft²

• 510 ft²

Multiple Choice

^{_{Find the Surface Area}}

• 15m²
• 16m²
• 18m²
• 20m²

Area of a circle

Multiple Choice

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Multiple Choice

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Multiple Choice

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Volume of a figure

Volume

How to find the volume of different shape figures.