The side of triangle are 3cm, 5cm and 6cm. what is its area?
A. 2√3 cm
B. 4√14 cm
C. 5√12 cm
D. 2√5 cm
plz help me
Answers
Answered by
2
Answer:
B
Step-by-step explanation:
please mark me the brainest
Answered by
1
Answer:
using Heron's formula....
s = a+b+c/2
= 3+5+6/2
= 14/2= 7
Area of triangle= ✓s(s-a)(s-b)(s-c)
= ✓7(7-3)(7-5)(7-6)
= ✓7×4×2×1
= ✓56
= 2✓14
hope it helps you
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