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Sagot :
Answer:
Step-by-step explanation:
1. 670
2. 25500
3. 140.55
4. 54
5. 159.5
Q2: 160 + 120 + 210 + 70 + 90 + 90 = 740
Q3: (160 x 120) + (70 x 90) = 25500
19200 + 6300
Q5: As = 1/2 [tex]\pi[/tex] (6cm)^2
(6cm)^2 = 36cm
1/2 [tex]\pi[/tex] (36)
\pi = 3.14159 x 36 = 113.09 / 2 = 56.54 cm^2 area
12 x 7 = 84 + 56.54 = 140.54cm^2
Q6: 11 + 9 + 20 + 14 = 54
Q7: 9 x 11 = 99
11 x 11 = 122 / 2 = 61 99 + 61 = 160^2
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