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Number System

Quick practice

Question 1 of 5

A triangle having sides 5cm ,12cm and 13cm. The area of triangle is:

A

30 \mathrm{cm}^{2}

B

20 \mathrm{cm}^{2}

C

40 \mathrm{cm}^{2}

D

10 \mathrm{cm}^{2}

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