Find the measure of x in each figure.

Mathematics

1 answer:

Alex3 years ago

8 0

Step-by-step explanation:

Because 2x and 40° are complementary angles.

$\therefore \: (2x) \degree + 40 \degree = 90 \degree \\ \\ \therefore \: (2x) \degree = 90 \degree - 40 \degree \\ \\ \therefore \: (2x) \degree = 50 \degree \\ \\ \therefore \: 2x = 50 \\ \\ \therefore \: x = \frac{50}{2} \\ \\ \huge \red{ \boxed{ \therefore \: x = 25}}$

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How do you find volume of sphere, cylinder, cone ? ... explaining please

boyakko [2]

Answer:

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Step-by-step explanation:

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The volume of a cone is linked to the volume of a cylinder. A cone is one third of the volume of a cylinder. The volume of a cone is ¹/₃ × π × r² × l. To calculate the volume we multiply these values together. The answer will be written in units³.

Sphere

The volume of a sphere is ⁴/₃ × π × r³. To calculate the volume we multiply these values together. The answer will be written in units³.

Cylinder

The volume of a cylinder is π × r² × l (r is the radius of the circle and l is the length of the cylinder). To calculate the volume we multiply these values together. The answer will be written in units³. It is more accurate to use π = 3.142 or the π button on a calculator.

A cone is a 3D shape with 2 faces and one edge

A sphere is a 3D shape. It has one continuous face and no edges

A cylinder is a type of prism. It has 3 faces and 2 edges

website I used: https://www.bbc.co.uk/bitesize/topics/zrf3cdm/articles/ztqsdxs

I hope this helped!

5 0

3 years ago

PLEASE HELP!!

IgorC [24]

Answer: x is, 2 6 8 10 20-- i think

Step-by-step explanation: y is, 2 3 4 6 10

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