" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b = 25 cm
c = 28 cm
s = 1/2. kel.segitiga
=1/2.(17 +25+28)
= 1/2. 70
= 35 cm
Luas Δ = √(s(s – a)(s – b)(s – c))
= √(35(35-17)(35-25)(35-28))
= √(35 × (18)(10)(7))
= √(35 (1260)
= √44100
= 210
r = Luas Δ /s
= 210/35
= 6 cm
jadi jari jari lingkarannya adalah 6 cm