The sides of a triangle are 8 cm, 11 cm and 13 cm. What is its area?
a. 8√30cm2
b. 4√10cm2
c. 3√100cm2
d. 6√200cm2
Answers
Answered by
13
√s(s-a)(s-b)(s-c)
=√16(16-8)(16-11)(16-13)
=√16×8×5×3
=√2×2×2×2×2×2×2×5×3
=2×2×2√2×5×3
=8√30cm2
therefore,
the answer is a.
here ,s=(a+b+c)÷2
=√16(16-8)(16-11)(16-13)
=√16×8×5×3
=√2×2×2×2×2×2×2×5×3
=2×2×2√2×5×3
=8√30cm2
therefore,
the answer is a.
here ,s=(a+b+c)÷2
Answered by
2
Answer:
Correct answer is a) 8√30cm2
Similar questions