Area of a triangle cut from a rectangle
A diagonal cuts a rectangle into two equal triangles.
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A rectangle 6 cm by 9 cm is cut along a diagonal into two right triangles. What is the area of one triangle?
Answer: 27 cm²
A rectangle 4 cm by 7 cm is cut along a diagonal into two right triangles. What is the area of one triangle?
Answer: 14 cm²
A rectangle 2 cm by 10 cm is cut along a diagonal into two right triangles. What is the area of one triangle?
Answer: 10 cm²
Tip: A diagonal cuts a rectangle into two equal triangles.
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