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K lingkaran = 2nr
= 2. 22/7.7
= 44
K. Persegi = 4 × s
= 4 × 14
= 56
K.lingkaran+k.persegi = 44 + 56
= 100 jawaban D.
10. L.lingkaran= nr^2
= 22/7 . 7 .7
= 154
L.persegi = s^2
= 14^2
= 169
L.lingkaran+L.persegi=154+196
= 350
Jawaban D.