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LΔ=175cm²
t=25cm
ditanya a..??
LalasΔ=1/2×a×t
175=1/2×a×25
a=175/12.5
a=14cm
jd pnjang alasΔ adlh 14 cm
175 = x a x 25
175 x 2 = 25 x a
350 = 25 x a
a = 350 : 25
a = 14 cm
jadi panjang alas segitiga 14 cm