ruthyoseph10d ruthyoseph10d

22-06-2020
Mathematics

contestada

the base of a pyramid is equilateral triangle of side 8cm long. If the altitude of the pyramid is 15cm ,find it's volume

Respuesta :

Аноним Аноним

22-06-2020

Answer:

V = 80√3 cm³

Step-by-step explanation:

V = Ab×h/3

Ab = l²√3/4 = 64√3/4 = 16√3 cm²

V = 16√3cm²×15cm/3

= 16√3cm²×5cm

= 80√3 cm³

Answer Link

barakaodoyo5 barakaodoyo5

22-06-2020

Answer:

138.56cm2

Step-by-step explanation:

B.a×hx1/3

B.a=1/2×8×8sin60=27.71cm2

1/3×27.71×15=138.56cm2

Answer Link

Otras preguntas

Solve by completing the square 3x^2-7x-1

what are the factors of m squares minus 12m plus 20 ?

A length of string is 42 1/2 inches long. A teacher needs to make 8 equal length pieces from the string. How long should she make each piece? A- 5 5/16 inches B

(250 - 63-7): 4 What’s the answer ?

-4.41666666667 as fraction help

graph the following equation y=3(0.5)^X

Isaiah buys produce for a local restaurant. He spent $2.80 to buy 3 pounds of tomatoes and4 pounds of oranges. He would have spent $3.40 if he had bought 4 poun

HELP ME I DON'T UNDERSTAND IT :(

Which scatterplots have a nonlinear association? Check all that apply. On a graph, points form a curved line. On a graph, points form a curved line. On a graph

You're in the travel business. You want to take tourists through an acid cave in Mexico. But how do you interest people in such a dangerous, slimy place? You gi