HomePricing

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

This math topic involves practicing finding the area of right triangles. The method taught requires halving the area of a surrounding rectangle to derive the area of the right triangle. The problems are designed at an introductory level and are a part of a broader introductory unit on area. Each question presents a different scenario with measurements in various units such as meters, inches, and kilometers, providing students diverse practice in applying the concept.

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

View Unit

Right Triangle - Concept Intro - From Rectangle

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


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

2km4km

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

Mobius Math Club logo
Math worksheet on 'Area of a 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 12km to the power of 2
b A LaTex expression showing 8km to the power of 2
c A LaTex expression showing 4km 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 2in to the power of 2
b A LaTex expression showing 20in to the power of 2
c A LaTex expression showing 8in to the power of 2
d A LaTex expression showing 15in 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 2m to the power of 2
b A LaTex expression showing 36m to the power of 2
c A LaTex expression showing 8m 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 4km to the power of 2
b A LaTex expression showing 12km to the power of 2
c A LaTex expression showing 18km 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 32in to the power of 2
b A LaTex expression showing 16in to the power of 2
c A LaTex expression showing 56in to the power of 2
d A LaTex expression showing 8in to the power of 2
e A LaTex expression showing 2in 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 48cm to the power of 2
b A LaTex expression showing 2cm to the power of 2
c A LaTex expression showing 16cm to the power of 2
d A LaTex expression showing 8cm 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 4km to the power of 2
c A LaTex expression showing 1km to the power of 2
d A LaTex expression showing 21km to the power of 2
e A LaTex expression showing 8km to the power of 2