find the area of a triangle two sides of which are 8 cm and 11cm and the perimeter is 32cm
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2
Answer:
perimeter = a+b+c
32 = 11 + 8 + c
32- 19 = c
13 = c
area of triangle = 1/2 ×b×h
1/2 ×8×11
44 cm²
Answered by
4
Step-by-step explanation:
perimeter of triangle =sum of all sides
GIVEN
AB=11 cm
BC=8cm
CA=x
Perimeter =32
p=AB+BC+CA
32=11+8+X
32 =19 +X
32-19=X
X=32-19
X=13
using herons formula
semi perimeter =
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