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Please help me

1. Calculate the volume of a rectangular pyramid whose base is 8 cm by 6 cm and the height is 10 cm.

2. Calculate the volume of cylinder if r = 4 inches and h = 8 inches.

3. Find the volume of sphere whose radius is 5 cm.

4. Calculate the volume of a cone if the height is 12 cm and the radius is 7 cm.

!!NONSENSE REPORT!!​

Sagot :

Genivicplazaidn

Answer:

1. 20 cm³

2. 402.12 in³

3. 523.6 cm³

4. 615.75 cm³

Step-by-step explanation:

please brainleist aND follow

Taeberryvvidn

ANSWER:

1.SOLUTION

V=lwh/3

V=8cm×6cm×10cm divided by 3

V=480÷3

Volume= 160cm³ is the answer

2.SOLUTION

V=πr²h

V=3.14159 (4)² (8)

V=3.14159 (16) (8)

V=402.12in³ is the answer

3.SOLUTION

Radius of sphere =5cm

Volume of sphere=4/3πr^3

Volume =4/3×22/7×125

Volume = 523.8095cm^3 is the answer

4.SOLUTION

the formula of a volume of a cone is

5×h÷3

So, find the area of a circle base.

7×7=49

49×3.14=153.86

And multiply it by eight

153.86×12=1846.32

And divide it by 3

1846.32÷3=615.44

So the volume is 615.44 is the answer

--taeberryvv