Finding Areas of Triangles and Quadrilaterals

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Objective

I can calculate the area of a triangle using the formula A = ½ × base × height.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

9 questions

1

What is the formula for calculating the area of a triangle?

2

If the base of a triangle is 8 cm and the height is 5 cm, what is the area of the triangle?

Part 3 of 3

Exit ticket

Quick comprehension check

A triangle has a base of 7 cm and a height of 9 cm. Calculate the area of the triangle and express your answer in square centimeters. A triangular sign has a base of 10 feet and a height of 4 feet. Calculate the area of the sign and express your answer in square feet.

Sample answer included in the free materials

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  • Teacher Guide

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