Question

find area of a triangle with base is 36cm and height is 2dm​

Answer 1

$\boxed{{ \sf{area \: of \: triangle = \frac{1}{2} \times base \times height}}}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \frac{1}{2} \times 36 \times 2$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf{36 \: cm {}^{2} }$

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Answer 2

Base of triangle. = 36 cm

Height of triangle= 2dm. (1dm=10cm

2dm=20cm)

=20cm

Area of triangle. = 1/2bh cm×cm

= 1/2×36×20cm×cm

=1/2×720cm×cm

=720/2 cm×cm

=360 cm²

Hence,area of triangle is 360 cm²