Tan 34 = 12/x and then uhm, put 12/tan34 into ur calculator
A 40 degree angle: go from the right positive side of the x-axis and go left (left is positive degrees) forty degrees, which is a little less than halfway in quadrant 1.
Consider one pyramid
Side length of base = 1.5cm and its height is 1 cm
Slant height of one of the lateral faces = sqrt(1^2 + 0.75^2) = 1.25 cm
Area of one of the triangular faces = 0.5 * 1.5* 1.25 = 0.9375 cm^2
There are 8 of these so the required surface area = 8 * 0.9375
= 7.5 cm^2 Answer
Answer:
189-99=90 (What he needs left)
90/10= 9
so the answer is 9 weeks.
The Manager ordered 5 Deluxe Violins and 15 Standard Violins.
15 •
500 = 7,500
7,500 + 4,000 = 11,500
5 • 800 = 4,000
