area of a triangle

How to find the area of a triangle?

Open Ended

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6 Types of triangles

• Equilateral

• Scalene

• Isosceles

• Acute triangle

• Right triangle

• Obtuse

Multiple Choice

what is a triangle?

• it's a three-sided polygon with four vertices and four edges

• is a three-sided polygon that consists of three edges and three vertices

• Its the shape of a pizza box

• I don't know

Draw

Can you draw a right triangle?

What is Area?

The area is the number of square units the figure contains inside.
The formula used is Base x height divided by two
or 1/2 x base x height

Draw

let's try together

Multiple Choice

Anna wants to paint the front of her triangular house; she wants to know the wall area to find out how much paint she has to buy if the base is 10 feet and the height is 30 feet. What is the total area?

• 120ft

• 160 ft^2

• 150 ft^2

• 300ft

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