Question

find the area of triangle ABC in which AB equal to AC equal to 4 cm and angle A equal to 90 degree​

Answer 1

Area of triangle =1/2 x 4 x 4cm
= 2 x 4 cm
= 8 cm²
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Answer 2

AB=AC=4cm

∆ABC is is right angled triangle

area of ∆ABC=1/2×base×height

=1/2×4×4

=2×4

=8 sq. cm
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