Answer:
Side of bare canvas = 17 cm
Step-by-step explanation:
Let the original side of square shape canvas painting be x cm
Adding 4 cm wide decorative frame to each side of the canvas.
The area of of frames painting is 625 cm²
Please find the attachment for figure.
Frame added both sides. New side = (x + 4 + 4)
The new side of painting after added frame = (x + 8) cm
The shape of painting is square.
Area of square shape = side × side
Therefore,
Taking square root both sides
Hence, the side of the bare canvas is 17 cm
Answer:
9 inches
Step-by-step explanation:
The volume of a pyramid is given as:
where l = length of base of pyramid
w = width of base of pyramid
h = height of pyramid
The volume of the cylinder is already known ( ) and the other two dimensions are known as 5 in and 7 in.
From the formula of the volume of the pyramid, the height of the pyramid is given as:
Hence, the height of the pyramid is:
The pyramid's height is 9 inches.