If the area of a triangle with base 12 cm is equal to the

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If the area of a triangle with base 12 cm is equal to the area of a square with side 12 cm, the altitude of the triangle will be

Using Rule 1 and 10,
Area of square = (12)² = 144 cm²

Area of triangle =	1	× base × height
	2

=	1	× 12 × height
	2

⇒	1	× 12 × height = 144
	2

⇒ Height =	144 × 2	= 24cm.
	12