The sides of a triangle are 15cm, 17cm and 8cm. Find its area.
80 sqcm
20 sqcm
40 sqcm
60 sqcm
Answers
Answered by
1
Answer:
60
Step-by-step explanation:
A=s(s﹣a)(s﹣b)(s﹣c)
s=a+b+c
2
Solving forA
A=1
4﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=1
4·﹣84+2·(8·15)2+2·(8·17)2﹣154+2·(15·17)2﹣174=60
Answered by
6
ANSWER
D option
60cm^2
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