Question

6. ABC is a right-angled triangle. Angle ABC = 90°,
AC = 25 cm and AB = 24 cm. Calculate the area of a
A ABC
(ICSE)
11
YC 1​

Answer 1

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Using Pythagoras theorem,

(G)

2

=(B)

2

+(P)

2

(25)

2

=(B)

2

+(24)

2

625=(B

2

)+576

625−576=B

2

49=B

2

B=7

∴ Area of triangle =

2

1

×B×h

=

2

1

×7×24

=84cm

2