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3 years ago

Find the volume of the figure

Mathematics

1 answer:

mote1985 [20]3 years ago

4 0

Answer:

Step-by-step explanation:

We have two rectangular prisms:

14cm × 8cm × 10cm and 8cm × 10cm × 10cm

The formula of a volume of a rectangular prism l × w × h:

V = lwh

Substitute:

V₁ = (14)(8)(10)=1120 cm³

V₂ = (8)(10)(10) = 800 cm³

The volume of the figure:

V = V₁ + V₂ → V = 1120 + 800 = 1920 cm³

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tigry1 [53]

Answer:

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Step-by-step explanation:

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3 years ago

Trig: A sector of a circle has area 25 cm2 and centralangle

Alchen [17]

Answer: Radius = 10 cm and Arc length = 5 cm

Step-by-step explanation:

The area of a sector with radius r and central angle $\theta$ (In radian) is given by :-

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$25=\dfrac{1}{2}r^2(0.5)\\\\\Rightarrow\ r^2=\dfrac{2\times25}{0.5}\\\\\Rightarrow\ r^2=\dfrac{50}{0.5}=100\\\\\Rightarrow\ r=\sqrt{100}=10\ cm$

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3 years ago

A room is 3 3/4 m long and 4 2/3 m wide. What is the area of the room?

ziro4ka [17]

Answer:

17.5 m

Step-by-step explanation:

3.75 x 4.667 etc.

17.5

(I used a calculator)

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3 years ago

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max2010maxim [7]

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3 years ago