What is the formula for the area of a triangle

What is the formula for the area of a triangle

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

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The video tutorial explains how to calculate the area of a triangle by comparing it to a rectangle. It starts by reviewing the area of a rectangle and how a diagonal divides it into two triangles. The tutorial then focuses on finding the area of a triangle using the formula: half of the base times the height. The explanation emphasizes understanding the difference between calculating the area of a rectangle and a triangle.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can a rectangle be divided to help understand the area of a triangle?

By drawing a circle inside

By drawing a vertical line

By drawing a horizontal line

By drawing a diagonal line

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two key measurements needed to calculate the area of a triangle?

Base and height

Width and height

Height and diagonal

Base and diagonal

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the diagonal not important when calculating the area of a triangle?

Because it is not part of the formula

Because it is always equal to the base

Because it is always equal to the height

Because it is not a straight line

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the area of a triangle?

Base times height

Half of base times height

Base minus height

Base plus height

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we use half of the base times height to find the area of a triangle?

Because a triangle is twice the size of a rectangle

Because a triangle is half of a rectangle

Because a triangle is one-third of a rectangle

Because a triangle is the same size as a rectangle