Area of a Non-Right Triangle - Concept Intro - From Rectangle (Level 2) - Mobius Math Academy

Area of a Non-Right Triangle - Concept Intro - From Rectangle

Level 2

This math topic focuses on practicing how to find the area of non-right triangles by visualizing and halving the area of a rectangle surrounding the triangles. The topic is at a Level 2 difficulty and serves as an introduction to understanding triangle areas. Throughout multiple questions, students are provided with images representing triangles within rectangles and are required to calculate the triangle's area by utilizing the rectangle's area. This method helps consolidate the student's understanding of spatial properties and the relationship between different geometric shapes.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Area of a Non-Right Triangle - Concept Intro - From Rectangle Worksheet

Area of a Non-Right Triangle - Concept Intro - From Rectangle

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 20\text{in} to the power of 2$

b $A LaTex expression showing 21\text{in} to the power of 2$

c $A LaTex expression showing 4.7\text{in} to the power of 2$

d $A LaTex expression showing 17.5\text{in} to the power of 2$

e $A LaTex expression showing 10.5\text{in} to the power of 2$

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 18\text{cm} to the power of 2$

b $A LaTex expression showing 2\text{cm} to the power of 2$

c $A LaTex expression showing 80\text{cm} to the power of 2$

d $A LaTex expression showing 21\text{cm} to the power of 2$

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 90\text{m} to the power of 2$

b $A LaTex expression showing 24\text{m} to the power of 2$

c $A LaTex expression showing 18\text{m} to the power of 2$

d $A LaTex expression showing 81\text{m} to the power of 2$

e $A LaTex expression showing 70\text{m} to the power of 2$

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 20\text{in} to the power of 2$

b $A LaTex expression showing 70\text{in} to the power of 2$

c $A LaTex expression showing 45\text{in} to the power of 2$

d $A LaTex expression showing 16\text{in} to the power of 2$

e $A LaTex expression showing 12\text{in} to the power of 2$

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 21\text{in} to the power of 2$

b $A LaTex expression showing 10.5\text{in} to the power of 2$

c $A LaTex expression showing 17.5\text{in} to the power of 2$

d $A LaTex expression showing 20\text{in} to the power of 2$

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 4.7\text{ft} to the power of 2$

b $A LaTex expression showing 55\text{ft} to the power of 2$

c $A LaTex expression showing 10.5\text{ft} to the power of 2$

d $A LaTex expression showing 21\text{ft} to the power of 2$

e $A LaTex expression showing 20\text{ft} to the power of 2$

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 20\text{m} to the power of 2$

b $A LaTex expression showing 1.3\text{m} to the power of 2$

c $A LaTex expression showing 16\text{m} to the power of 2$

d $A LaTex expression showing 12\text{m} to the power of 2$

An svg image showing a math problem

Find the area of the TRIANGLE by halving the area of the rectangle around it

a $A LaTex expression showing 16\text{ft} to the power of 2$

b $A LaTex expression showing 12\text{ft} to the power of 2$

c $A LaTex expression showing 20\text{ft} to the power of 2$