Mathematics for IGCSE & O level - Mensuration (Section 9 - No. 13)
Which of the following statements is true regarding the area of a triangle?
The area is the same regardless of the height or base used.
The area is doubled if both the base and height are doubled.
The area increases if either the base or the height increases.
The area remains constant if the base and height are changed proportionally.
Explanation
The area of a triangle increases if either the base or the height increases, since Area = 1/2 * base * height.
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