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paki answer
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Answer:
23.A
24.A
25.D
Step-by-step explanation:
Ayan lng alam ko pero sure na sure ako tama yan. :)
23. A
24. B
25. D
26. D
27. B
28. B
29. A
Step-by-step explanation:
23. A = 6a²
= 6 x (12cm)²
= 6 x 144cm²
= 864cm²
24. A = 2πrh + 2πr²
= (2 x 3.14 x 13cm x 22cm) + 2 x 3.14 x (13cm)²
= 1,796.08cm² + 1,061.32cm²
= 2,857.4cm²
25. A = lw +l √[(w/2)2 + h2] + w√[(l/2)2 + h2]
= (6m x 8m) + 6m√[(8m/2)² + (10m)²] + 8m√[(6m/2)² + (10m)²]
= 48m² + 6m√[(4m)² + 100m²] + 8m√[(3m)² + 100m²]
= 48m² + 6m√(16m² + 100m²) + 8m√(9m² + 100m²)
= 48m² + 6m√116m² + 8m√109m²
= 48m² + 64.62m² + 83.52m²
= 196.14m²
29. A = 4πr
= 4 x 3.14 x 4dm
= 50.24dm²
ito lang na mga formula nakayanan ko. hehe sana makatulong.