jawab yaaa kakak kakak brainly

Luas trap = 1/2 x (a+b) x t
=》 1/2 x (14+20) x 15
=》 1/2 x 34 x 15
=》 255 cm^2

Luas lingk. =1/4 xphi xd^2
2826 = 1/4 x 3.14 x d^2
2826 = 0.785 x d^2
d^2 = 2826/0.785
d^2 = 3600
d = akar3600
d = 60

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