Area and Perimeter of Triangles
Grade 945 min
Learning Objective
I can calculate the area and perimeter of triangles, including using the Pythagorean theorem to find missing side lengths when necessary.
Lesson Flow
Watch Video
How to Find the Area and Perimeter of a Triangle | Math with Mr. J
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Practice
2 questions • Short answer
Exit Ticket
“A right triangle has a base of 8 cm and a hypotenuse of 17 cm. Find the perimeter and area of the triangle. Show all work. An isosceles triangle has two sides that are each 13 inches long and a base of 10 inches. Find the area of the triangle. (Hint: You will need to find the height). Show all work. ”
Teacher Guide
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- Answer keys for all questions
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