3 years ago

Damien recently purchased a plot of land in the shape of a pentagon. He is planning to install a perimeter fence.

Mathematics

1 answer:

givi [52]3 years ago

4 0

The answer is 6k^3+9k^2-15k+10

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the perimeter of a right angled triangle is 12cm and the hypotunos is 5 cm find the value of other two sides

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a+b+5=12

a+b=7⇒a=7−b...(1)

a2+b2=52

a2+b2=25...(2)

From (1) and (2)

(7−b)2+b2=25

49+b2−14b+b2=25

2b2−14b+24=0

b2−7b+12=0

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⇒b=4,3

a=7−b⇒a=3,4

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