find the area of triangle whose sides are 13cm,14cm,15cm.also find the altitude to sides measuring 15 cm
Answers
Answered by
1
Answer:
Triangle
Solve for height
hb=12cm
a Side
13
cm
b Base
14
cm
c Side
15
cm
Answered by
0
Answer:
Area= 84 cm²
Step-by-step explanation:
Apply heron's formula
s= a+b+c/2
s= 13+14+15/2
s= 42/2
s= 21
area= √s(s-a)(s-b)(s-c)
=√21(21-13)(21-14) (21-15)
=√21×8×7×6
=√3×7×2×2×2×7×2×3
= 3×7×2×2
= 84
Area of triangle=84 cm²
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