lili972 lili972
  • 23-12-2020
  • Mathematics
contestada

PLEASEEEE HELPPPPPPP!!

PLEASEEEE HELPPPPPPP class=

Respuesta :

adefunkeadewole adefunkeadewole
  • 28-12-2020

Answer:

15.13 cm

Step-by-step explanation:

We are given:

Lateral surface area of a right circular cone : πr√r² + h²

From the question, we know that:

Lateral surface area = 236.64cm²

Radius = 4.75cm

Height = ?

Making h the subject of the formula

h = √[(A/r)² - πr²]/π

h = √[(236.64/4.75)² - π ×4.75²]/π

h = √(2481.9275169 - 70.882184247)/π

h = 15.12975 cm

Approximately to the nearest hundredth = 15.13cm

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