Question

7.The sides of a triangle are 15 cm, 17 cm and 8 cm. What is its area?​

Answer 1

Answer:

1/2×15×8

=15×4

=60

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Answer 2

Step-by-step explanation:

=1/4√{﹣a^4+2(ab)^2+2(ac)^2﹣b^4+2(bc)^2﹣c^4}

=1/4√{﹣15^4+2(15·17)^2+2(15·8)^2-17^4+2(17·8)^2﹣8^4

=60cm²