Tolong bantu jawab besok dikumpulkan

By Admin ReiPosted on December 11, 2022

Tolong bantu jawab besok dikumpulkan

Tolong bantu jawab besok dikumpulkan

Jawaban:

$28. : k = pi times frac{22}{7} \ = 21 times frac{22}{7} = 66 : cm$

$29. : l = {pi} {r}^{2} \ frac{22}{7} times 21 times 21 = 1.386 : \ cm {}^{2}$