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MAZOEZI YA HISABATI
Wednesday, July 24, 2013
MZINGO WA MRABA-6
Mzingo wa mraba ufuatao ni 68m. Tafuta thamani ya c
Suluhu
Mzingo = 4 x Upande
68 = 4(2c - 3)
68 = 8c– 12
68 + 12 = 8c
80 = 8c
80
=
8c
8
8
10 = c
Hivyo thamani ya c ni 10m
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