3 years ago

The water pipe has a radius of 5 cm and a height of 7 cm. What volume of

Mathematics

2 answers:

scoray [572]3 years ago

8 0

Answer:

549.5 cm

Step-by-step explanation:

wolverine [178]3 years ago

5 0

Answer:

pipe is cylinder

volume= pi r²h

radius= 5cm

height= 7cm

volume = 22/7 × (5×5) × 7

simplifying the equation

= 22 × 25

= 550cm³

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Medians $\overline{dp}$ and $\overline{eq}$ of $\triangle def$ are perpendicular. if $dp= 18$ and $eq = 24$, then what is ${de}$

monitta

Denote by M the point of intersection of the medians.
Denote also the distance DM by x and the distance QM by y.
From the median properties of triangles we know that
$y=\frac{1}{3}\timesFQ=\frac{1}{3}\times24=8$
Also,
$x=\frac{2}{3}\times DP=\frac{2}{3}\times 18=12$
Since the medians are perpendicular, we deduce that:
$x^2+y^2=DQ^2\iff DQ=\sqrt{8^2+12^2}=14.4$
Then, since $DE=2\times DQ\text{ then }DE=2\times 14.4=28.8$