Asked by hello there
Find the lateral area and surface area of each solid to the nearest square unit.
Four exercises have various figures. Exercise 15 is a rectangular prism with length of 10 yards, width of 7.5 yards and height of 5 yards.
Exercise 16 is a square pyramid with a base edge of 9 meters, height of 13.5 meters and slant height of 13.8 meters.
Exercise 17 is a cone with a radius of 7 centimeters, height of 14 centimeters and slant height of 15.7 centimeters.
Exercise 18 is a cylinder with a length of 22 inches and a diameter of 22 inches.
Find the volume of each solid. When using π round to the nearest cubic unit.
Four exercises have various figures. Exercise 19 is a square pyramid with a base edge of 1 foot, height of 0.75 feet and slant height of 0.9 feet.
Four exercises have various figures. Exercise 15 is a rectangular prism with length of 10 yards, width of 7.5 yards and height of 5 yards.
Exercise 16 is a square pyramid with a base edge of 9 meters, height of 13.5 meters and slant height of 13.8 meters.
Exercise 17 is a cone with a radius of 7 centimeters, height of 14 centimeters and slant height of 15.7 centimeters.
Exercise 18 is a cylinder with a length of 22 inches and a diameter of 22 inches.
Find the volume of each solid. When using π round to the nearest cubic unit.
Four exercises have various figures. Exercise 19 is a square pyramid with a base edge of 1 foot, height of 0.75 feet and slant height of 0.9 feet.
Answers
Answered by
oobleck
Just use your formulas
cone: A = πr(r+s)
pyramid: A = b^2 + 4*(bs/2)
cylinder: A = 2πr(r+h)
prism: A = 2(xy+xz+yz)
cone: A = πr(r+s)
pyramid: A = b^2 + 4*(bs/2)
cylinder: A = 2πr(r+h)
prism: A = 2(xy+xz+yz)
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