Test III. Solve each problem. 2 pts. each
11. A room measures 5 m by 4 m by 3.5 m. How many square metres of wallpaper are needed to cover the
four walls?
12. Find the number of square centimetres of wrapping paper needed to cover a shoe box 25cm by 15cm
by 20 cm.
to
13. How much aluminum is needed to make a cylindrical can if the radius of the base is 5 cm and the
height is 15 cm?
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14. Find the amount of wrapping paper needed to cover the side of a cylindrical kaleidoscope with a radius
of 4cm and a height of 24 cm.
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15. An ice cream cone has a radius of 4 cm and a slant height of 11 cm. Find the area of the curved
surface only.
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Answer:
65m and 46 m
Step-by-step explanation:
yan Po ang sagot sa 1 at 2 di ko na po Alam aNg 3 4 5