find the area of isosceles triangle whose equal sides are 15 cm and third side is 12 CM
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Answered by
0
Step-by-step explanation:
12*15=180 is the answer
Answered by
1
Answer:
Answer:
18√21
Step-by-step explanation:
given that the sides of isosceles triangle are 15 cm ,15 cm and 12 cm
a=15
b=15
c=12
using heron"s formula :
s=a+b+c/2
S=15+15+12/2
S=42/2
S=21
AREA = √7+3+2+3+2+3+3+3
=18 √21cm²
Step-by-step explanation:
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