Mathematics

04.02.2020 02:18

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The equation 8 − 4x = 0 has real solution

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kayleebueno

4,4(87 marks)

8-4x=0 has 1 real solution!

sabrinamarie17

4,9(25 marks)

answer: length of line segment bc = 6cm.

step-by-step explanation:

by the given problem a circle is inscribed inside a square abcd.

perimeter of a square = 24 cm =4×sides.

to find sides of square s= 24/ 4 = 6 cm.

∴the side of a square= 6 cm= length of bc as it is a side of square.

which is equals to the diameter of the circle inside the square.

radius of circle=1/2 of diameter=6/2 = 3 cm.

now by the figure diagonal of square =d

is given by pythagoras theorem

$d^2=s^2+s^2=2s^2\\\rightarrow\ d=\sqrt{2}s =6\sqrt{2}$

∴area of the square = $side^2= 6² = 36 cm^2$

area of the circle= $\pi\ r^2= 3.14\cdot3^2=3.14\cdot9=28.26cm^2$

area of the spaces between the circle and square = 36 - 28.26 = 7.74 square cm

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