alleryꯑꯣꯏꯒꯅꯤ꯫ ꯔꯦꯗꯤꯌꯁ-7 cm ꯁꯤꯂꯤꯟꯗꯔ ꯑꯃꯗꯥ 30 cm ꯋꯥꯡꯅꯥ ꯂꯩꯕꯥ ꯏꯁꯤꯡꯅꯥ ꯑꯍꯥꯡꯕꯥ 22 × 15 cmꯒꯤ ꯕꯦꯖ ꯇꯦꯉ꯭ꯛ ꯑꯃꯥ ꯃꯄꯨꯡ ꯐꯥꯍꯜꯂꯤ; ꯑꯔꯨꯕ? π = 22/7 ꯍꯥꯌꯅꯥ ꯂꯧꯕꯥ ꯌꯥꯏ꯫
A7 cm
B28 cm
C21 cm
D14 cm
Answer & Solution
Correct answer: D. 14 cm
ꯑꯣꯏꯒꯅꯤ꯫
ꯇ꯭ꯔꯥꯟꯁꯐꯔ ꯇꯧꯔꯕꯥ ꯚꯣꯜꯌꯨꯝ ꯑꯁꯤ (22/7) × 7² × 30 = 4620 cm³ꯅꯤ, ꯃꯁꯤꯅꯥ ꯑꯋꯥꯡꯕꯥ 4620 ÷ (22 × 15) = 14 ꯁꯦ.ꯃꯤ.
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