A
square room
Ă… flag staff is fixed at one corner of
of
The angle of elevation of to...
Mathematics, 28.03.2021 20:10 kolibeilfuss
A
square room
Ă… flag staff is fixed at one corner of
of
The angle of elevation of top of the
flag staff from opposite corner of the
is found to be 30. find the height of
A flag staff
room​
Answers: 1
Mathematics, 22.06.2019 01:00
For every corresponding pair of cross sections, the area of the cross section of a sphere with radius r is equal to the area of the cross section of a cylinder with radius and height 2r minus the volume of two cones, each with a radius and height of r. a cross section of the sphere is and a cross section of the cylinder minus the cones, taken parallel to the base of cylinder, is the volume of the cylinder with radius r and height 2r is and the volume of each cone with radius r and height r is 1/3 pie r^3. so the volume of the cylinder minus the two cones is therefore, the volume of the cylinder is 4/3pie r^3 by cavalieri's principle. (fill in options are: r/2- r- 2r- an annulus- a circle -1/3pier^3- 2/3pier^3- 4/3pier^3- 5/3pier^3- 2pier^3- 4pier^3)
Answers: 3
Mathematics, 22.06.2019 04:30
Simplify 1 divided by 2/3 x (-3) divided by 1/6 x (-10)
Answers: 2
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