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89=C
90=B
91=B
92=A
Answered by
1
Answer:
89) option c
90) option a
91) option b
92) option a.
Step-by-step explanation:
➡89.
Diagonal = √(length) ^2 + (width)^2
Diagonal = √16 + 9
Diagonal= √25
Diagonal= 5 cm.
➡90.
Upper limit is 200.
➡91.
x^b+a * x^b + c * x^c +a/ (x^a * x^b * x^c)^2
= x^ (b + a + b + c + c + a) / { x^(a + b+ c)}^2
= x^2(a + b + c) / {x^(a + b+ c)}^2
= x^2(a + b + c) / x^2(a + b + c)
= 1.
➡92.
CSA of cylinder= 2πrh
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