jaaydeee jaaydeee

20-04-2021
Mathematics

contestada

Find the total lateral area of the following
cone. Leave your answer in terms of a.
4 cm
3 cm
LA = ? cm2

Find the total lateral area of the following cone Leave your answer in terms of a 4 cm 3 cm LA cm2 class=

Respuesta :

adefunkeadewole adefunkeadewole

25-04-2021

Answer:

15π cm²

Step-by-step explanation:

The total lateral area of a cone

= πr√h² + r²

= √h² + r² = l

h = Height = 4cm

r = radius = 3cm

Hence:

= π × 3 √4² + 3²

= 3π × √16 + 9

= 3π × √25

= 3π × 5

= 15π cm²

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