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What is the total area for 51 cm 45 cm 72.1 cm?

Assuming that the shape is triangular, the area is approx 1139 cm^2.


How many 3cm squares and 2cm squares do you need to get a total area 35sq cm?

You would need two 3 cm squares and two 2 cm squares to get a total area of 35 sq cm. A 3 cm square has an area of 9 sq cm and a 2 cm square has an area of 4 sq cm.


What is the surface area of a cylinder that has a length of 13 cm and a diameter of 9 cm?

Total surface area of cylinder: (2*pi*4.5^2)+(9*pi*13) = 495 square cm rounded


What is the area of the cylinder if the radius is 6 cm and the height is 15 cm?

Total surface area = (2*pi*62)+(12*pi*15) = 791.681 square cm to 3 d.p.


Billie wants to make a CD box open at the top The box needs a base 13cm by 200cm and is to be 15cm high How much wood should billie buy?

To determine how much wood Billie needs, calculate the surface area of the open-top box. The base area is 13 cm by 200 cm, which is 2,600 cm². The four sides have a total area of (2 * 15 cm * 13 cm) + (2 * 15 cm * 200 cm) = 390 cm² + 6000 cm² = 6,390 cm². Adding the base area, the total surface area is 2,600 cm² + 6,390 cm² = 8,990 cm². Billie should buy wood that covers at least this area.


What is the total surface area of a cylinder and a hemisphere that are neatly joined together with a combined height of 9 cm and a base diameter of 6 cm?

Total surface area = (pi*32) + (2*pi*3*6) = (2*pi*32) = 63*pi square cm The height of the cylinder has to be 6 cm because the radius of the hemisphere is 3 cm which is also its height.


What is area of a circle with radius of 2 cm?

A circle with a radius of 2 cm has an area of 12.57 square cm.


Which answer choice gives the correct surface area for a triangular Prism with bases that are 4 Cm and sides that are 4 Cm?

To find the surface area of a triangular prism, you need to calculate the area of the triangular bases and the area of the three rectangular sides. For a triangular base with a base of 4 cm and a height of 4 cm, the area is (1/2) * base * height = (1/2) * 4 * 4 = 8 cm². The prism has two triangular bases, so their total area is 16 cm². If the height (length) of the prism is also 4 cm, the areas of the three rectangular sides (4 cm * 4 cm each) add up to 48 cm², leading to a total surface area of 16 cm² + 48 cm² = 64 cm².


What are the dimensions of a square that has an area of 4 cm2?

To find the dimensions of a square with an area of 4 cm^2, you need to take the square root of the area. In this case, the square root of 4 is 2. Therefore, the side length of the square is 2 cm. Since a square has all sides equal, the dimensions of the square with an area of 4 cm^2 would be 2 cm x 2 cm.


What is the total area of a cone with the radius of 5 cm and slope height of 9 cm?

A cone with the radius of 5 cm and slope height of 9 cm has a total surface area of approximately 219.91cm2


What is the total area of 51 cm 45 cm 72.1 cm?

51 cm 45cm 72.1 cm


What is the area of a square with 2 cm long?

A square with a side length of 2 cm has an area of 4 square cm.