x=?
rumus segitiga= 1/2×s+l
=1/2×(S+L)
=6+4+6
=16
=16÷2
=8
jadi jawabannya C. 8cm
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x=?
rumus segitiga= 1/2×s+l
=1/2×(S+L)
=6+4+6
=16
=16÷2
=8
jadi jawabannya C. 8cm