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Area of a Non-Right Triangle - Concept Intro - From Rectangle (Level 1)

This math topic focuses on practicing the calculation of the area of non-right triangles by relating them to rectangles. Students learn to find the area of a triangle by considering it within a rectangle and then halving the area of that rectangle. The problems present various triangles ensconced within rectangles and require students to apply this method to ascertain the triangular area, enhancing their skills in spatial reasoning and geometric calculations. Each question is accompanied by multiple choice answers, reinforcing problem-solving and analytical skills in a geometrical context.

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

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Non-Right Triangle - Concept Intro - From Rectangle

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

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

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Math worksheet on 'Area of a Non-Right Triangle - Concept Intro - From Rectangle (Level 1)'. Part of a broader unit on 'Area Intro' Learn online: app.mobius.academy/math/units/area_intro/
1
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 32m to the power of 2
b A LaTex expression showing 49m to the power of 2
c A LaTex expression showing 16m to the power of 2
d A LaTex expression showing 2m to the power of 2
e A LaTex expression showing 48m to the power of 2
f A LaTex expression showing 8m to the power of 2
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 8m to the power of 2
b A LaTex expression showing 20m to the power of 2
c A LaTex expression showing 6m to the power of 2
d A LaTex expression showing 3m to the power of 2
e A LaTex expression showing 1.5m to the power of 2
f A LaTex expression showing 30m to the power of 2
3
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 4.5m to the power of 2
b A LaTex expression showing 12m to the power of 2
c A LaTex expression showing 18m to the power of 2
d A LaTex expression showing 2m to the power of 2
e A LaTex expression showing 9m to the power of 2
f A LaTex expression showing 24m to the power of 2
4
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 20km to the power of 2
b A LaTex expression showing 18km to the power of 2
c A LaTex expression showing 30km to the power of 2
d A LaTex expression showing 2km to the power of 2
e A LaTex expression showing 4.5km to the power of 2
f A LaTex expression showing 9km to the power of 2
5
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 12ft to the power of 2
b A LaTex expression showing 48ft to the power of 2
c A LaTex expression showing 4ft to the power of 2
d A LaTex expression showing 30ft to the power of 2
e A LaTex expression showing 16ft to the power of 2
f A LaTex expression showing 8ft to the power of 2
6
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 20m to the power of 2
b A LaTex expression showing 35m to the power of 2
c A LaTex expression showing 1.6m to the power of 2
d A LaTex expression showing 40m to the power of 2
e A LaTex expression showing 18m to the power of 2
f A LaTex expression showing 10m to the power of 2
7
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 12km to the power of 2
b A LaTex expression showing 20km to the power of 2
c A LaTex expression showing 8km to the power of 2
d A LaTex expression showing 4km to the power of 2
e A LaTex expression showing 2km to the power of 2
f A LaTex expression showing 30km to the power of 2