In a triangle ABC, AB = 8 cm, AC = 10 cm and ÐB = 90°,

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In a triangle ABC, AB = 8 cm, AC = 10 cm and ÐB = 90°, then the area of ∆ABC is

1. 49 sq.cm
2. 36 sq.cm
3. 25 sq.cm
4. 24 sq.cm

Correct Option: D

AC = 10 cm.
AB = 8 cm.
∴ BC = √AC² - AB²
= √10² - 8² = √100 - 64
= √36 = 6 cm.

∴ Area of ∆ABC =	1	× AB × BC
	2

∴ Area of ∆ABC =	1	× 8 × 6 = 24 sq. cm.
	2