tolong bantu kakak baikk
Jawaban:
a.
K = 10m
L = 6.25/6,25m²
b.
K = 56cm
L = 196cm²
c.
K = 84dm
L = 441dm²
Penjelasan dengan langkah-langkah:
Rumus :
( K = 4 x s ) l ( L = s x s )
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a.
K = 4 x 2,5m
= 10m
L = 2,5cm x 2,5cm
= 6,25m²
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b.
K = 4 x 14cm
= 56cm
L = 14 x 14
= 196cm²
/////////////////////////////////////////
c.
K = 4 x 21dm
= 84dm
L = 21dm x 21dm
= 441dm²
#MATEMATIKAITUMENYENANGKAN
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