Answer:
The surface area of the gift box is = 
Step-by-step explanation:
The surface area of the cylinder can be calculated using this formula:
in this case, r is not a number, but rather an expression, which is r = 
.
The height of the gift box is twice the radius, which is h = 
To get our curved surface area, we carefully put the expressions for h and r into the equation.
The surface area of the gift box is =
Answer:one solution
Step-by-step explanation:
Given
a=42
b=34
angle A=117
using sine rule
sinB=0.7212
and A+B+C=180
Thus 2 triangles can be formed with given value
Step-by-step explanation:
10% of £22
10/100×22/1
2.2%
5% of £22
5/100×22/1
1.1%
15% of 22£
15/100×22/1
3.3%
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You should use youtube and learn how to do it, that's how i learned. you'll get frustrated but just pay attention.
