The measures (in cm) of sides of a right angled triangle

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The measures (in cm) of sides of a right angled triangle are given by consecutive integers. Its area (in cm²) is

Using Rule 1,
3² + 4² = 5²
∴ Base = 3 cm and
perpendicular = 4 cm
∴ Area of the right angled triangle

=	1	× base × height
	2

=	1	× 3 × 4 = 6 sq.cm.
	2