Tolong dong , bantuu Tentukan unsur-unsur segitiga abc a=7 , b=8 , c=9

By Admin ReiPosted on October 29, 2022

Tolong dong , bantuu Tentukan unsur-unsur segitiga abc
a=7 , b=8 , c=9

S = 1/2 ( a + b + c )
= 1/2 (7 + 8 + 9 )
= 1/2 ( 24)
= 12
L = $sqrt{s(s - a) (s - b) (s - c)}$
= $sqrt{12(12 - 7) (12 - 8) (12 - 9)}$
= $sqrt{12 (5) (4) (3)}$
= $sqrt{60 x 4 x 3}$
= $sqrt{720}$
= [6] sqrt{20} [/tex]

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