In triangle pqr, pq=6 cm,pr=8 cm and qr=12 cm. Calculate the area of the triangle pqr.
a. 23.33 cm2
b. 17.5 cm2
c. 21.33 cm2
d. 28.67 cm2 ans: 21.33 57.
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as my calculation,
in triangle pqr,
by using heron's formula
p=p+q+r
--------
2
area= √ p(o-p) (p-q) (p-r)
by using this u can solve problem
then the right answer is
c)21.33cm2/ 21.3307 cm2
I can't solve that due to lack of symbols
I hope this will help
in triangle pqr,
by using heron's formula
p=p+q+r
--------
2
area= √ p(o-p) (p-q) (p-r)
by using this u can solve problem
then the right answer is
c)21.33cm2/ 21.3307 cm2
I can't solve that due to lack of symbols
I hope this will help
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