9. perimeter is 18 and area is 20, 10. perimeter is 22 and area is 30, 11. you will need 228 cm of material, 12. perimeter is 28 ft and area is 48 ft. hope i helped
Answer:
Step-by-step explanation:
<u>The area is:</u>
Answer: idont even know
Step-by-step explanation:
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Answer:
length= 26 inches
Base Area= 144 inches²
Step-by-step explanation:
Given:
Volume 'V' = 480 inches³
Height 'h'= 10 inches
Width 'w'= 9 inches
Required:
Base Area 'B'=?
Length 'L'=?
Volume can be determined by:
V= 1/3 x lwh
480= 1/3 x l x 9 x 10
l= 16 inches.
Base area is given by:
B= l x w => 16 x 9
B= 144 inches²