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What is the lateral area of the cone to the nearest whole number.
Height: 50 m.
Diameter: 240 m.
Height: 50 m.
Diameter: 240 m.
Answers
Answered by
Tammy
The slant height is exactly 130, not 130.4
A human would have realized that 50, 120, 130 is a multiple of the
standard 5-12-13 right-angled triangle
lateral area = π (130)(120) = appr 49,008.85 m^2
(you had 3.14 × 120 × 130.4 = 49,438.08, which should have been
49,159.64, using your wrong 130.4
So you have 2 errors in your solution !!!!! )
A human would have realized that 50, 120, 130 is a multiple of the
standard 5-12-13 right-angled triangle
lateral area = π (130)(120) = appr 49,008.85 m^2
(you had 3.14 × 120 × 130.4 = 49,438.08, which should have been
49,159.64, using your wrong 130.4
So you have 2 errors in your solution !!!!! )
Answered by
Tammy
btw, where would you possible find a cone with that size ??
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