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Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!
Be specific about the part of the circle
half of the circle and its diameter is 16
Find the area of the circle (pi x r x r) r = 8 as it is half a diameter so in your calcu;ator press, pi * 64 then divide by 2
pi is the button that looks like mini stonehenge:)
what if it gives u like a pizza slice size or a quarter
mean any sector of the circle?
Well you will need to know the angle at the centre. This is then a ratio to 360 degrees which is then multiplied by pi r squared
area of a sector =1/2r^2*central angle
the measure of the angle is 45
angle is theta (we use this for any unknown angle)/ 360 multiplied by pi r squared.
45/360 * pi r*-r
pi r squared that should say
gian...there isnt pi in the area of sector
uzma there is pi in a whole circle and a sector is a fraction part of a circle
Uz look at the formula on the page you just posted.
the one that says degrees
oh u r using that one :) i talked about the radian measure:
No problem good talking to you!
i ahve anpother question can u guys help me
Softball, best to post it so all can see it on left of screen ask a question
kk find the area of a rhombus with a perimeter of 40 and an angle of 60
I will post a detailed jpeg for yoy.
where is it
Is that clear? I am assuming you have been taught this method of finding the area of a triangle