Question

Tolong jawab plisssss

Answer 1

Verified answer

Bangun Datar

Diketahui:
AB = 9 cm
BC = 15 cm
Ditanya:
Luas ABC = ?

Jawab:
AC^2 = BC^2 - AB^2
AC^2 = 15^2 - 9^2
AC^2 = 225 - 81
AC^2 = 144
AC = √144
AC = 12 cm

L segitiga ABC = 1/2 x alas x tinggi
= 1/2 x AB x AC
= 1/2 x 9 x 12
= 9 x 6
= 54 cm^2 (B).

*semoga membantu. sukses selalu ^_^