Answer:
6 cm
Step-by-step explanation:
The diameter is 2x the radius
Answer: C) 4 x 3 cm
Step-by-step explanation:
The only dimension affected by the cut was 5, because the cut was perfectly parallel to the 4x3 face.
Answer: Space was alloted for each subject is 8 dm, 8 dm, 12 dm.
Explanation:
Since we have given the length of bulletin board =28 dm
Let the share of three subject areas be 2x,2x,3x
According to question,

so x=4 dm
Now,
Space was alloted for each subject is given as below:
First subject =
Second subject =
Third subject =
<span>x²-x-30=0
factor this equation first
(x-6)(x+5) = 0
x - 6 = 0
x + 5 = 0
x = 6 , x = -5
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