What is the basic ratio for 120:150

Mathematics

2 answers:

SCORPION-xisa [38]2 years ago

4 0

No, it is 4:5.... if you’re simplifying it... if you divide 4 by 30 it is 120 and 5 Times 30 is 150 so it’s 120:150 4:5

OleMash [197]2 years ago

3 0

I am not 100% shod but it should be 12:15. As you are dividing both sides by the same number. The easiest way is to first cancel out the 0s.

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Triangle EFG is an isosceles triangle with EG=EF. What is the approximate length of EF, and what is the approximate perimeter of

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Answer:

B. The approximate length of EF is 4.47 units, and the approximate perimeter of triangle EFG is 12.94 units.

Step-by-step explanation:

First step is to determine the length of EF, since that will give us 2 sides of the triangle (since EG = EF).

From the diagram, we can easily make a rectangle triangle by dropping a vertical line from vertex E, let's name Z the meeting point of that line with the segment GF. Then we have a rectangle triangle EZF with a height of 4 and a base of 2, of which EF is the hypotenuse. So...

EF² = 4² + 2² = 16 + 4 = 20

EF = √20 = 4.47

Now that we have EF, we also have EG:

EF = 4.47

EG = 4.47

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Perimeter = 4.47 + 4.47 + 4 = 12.94 units.

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