

area of a triangle
Presentation
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Easy
Emily Rangel
Used 6+ times
FREE Resource
4 Slides • 5 Questions
1
How to find the area of a triangle?
2
Open Ended
Any plans for spring break?
3
6 Types of triangles
Equilateral
Scalene
Isosceles
Acute triangle
Right triangle
Obtuse
4
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
5
Draw
Can you draw a right triangle?
6
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
7
Draw
let's try together
8
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
9
How to find the area of a triangle?
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