Math, asked by satgupta23, 1 year ago

If the areas of circular bases of a frustum of a cone are 4 cm.sq and 9 cm.sq respectively and
the height of the frustum is 12 cm. What is the volume of the frustum?... PLZ ANSWER IT FAST.... I WILL MARK IT AS BRAINLIEST.

Answers

Answered by anitavijaynirban1976
0

Answer:

Height=12

Volume of frustum=1/3h√A1+A2+√A1×A2

=1/3×12√4+9+√4×9

=4√13+6

=4√19 cm³


satgupta23: Agar ye formual h... To bhi ans galat h... Shi ans 44 h.. Rd h to dekh lo.. But i want method..
anitavijaynirban1976: Hey there is some mistake in formula .
anitavijaynirban1976: Volume=A1+A2+√A1×A2
anitavijaynirban1976: Whole square root was not there
anitavijaynirban1976: Then answer is 76cm³
satgupta23: Thanx bhai.. Mera bhi yhi ans aa rha tha... Lekin RD mein ans 44 diya h.. Isliye mujhe doubt hua tha... Par tumhara bhi yhi aaya.. So thnxx
anitavijaynirban1976: I am not bhai
anitavijaynirban1976: I am a girl student
satgupta23: Oh.. Then sorry behen
anitavijaynirban1976: It's ok bhaiya
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