What is the answer to this
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The answer you are looking for is C. 8.
To find this you could Pythagorean Theorem. The base or bottom of the triangle would be 7, and the "leg" of the triangle would be 3. In this instance, we will call 3 "a" and 7 "b". We use these two numbers to find the missing value, which is "c" or the hypotenuse.
The formula for Pythagorean Theorem is "a^2 + b^2 = c^2". Then we follow these steps.
- Fill in the known values. 3^2 + 7^2 = c^2
- Simplify the squared numbers. 9 + 49 = c^2
- Add the numbers together. 58 = c^2
- Square root both sides. √58 = c.
- Round up to the nearest whole mile. 7.615 = c; c = 8.
Here's a picture to show how I did this. I hope this helps!
Keep in mind I've never actually attempted this kind of problem.
Calculate how far both planes are after 2.5 hours
450 × 2.5 = 1125
350 × 2.5 = 875
The legs of the triangle will be 1,125 miles & 875 miles.
1125² + 875² = 2,031,250
Plane A is 1,425 miles from Plane B.
Calculate how far both planes are after 2.5 hours
450 × 2.5 = 1125
350 × 2.5 = 875
The legs of the triangle will be 1,125 miles & 875 miles.
1125² + 875² = 2,031,250
Plane A is 1,425 miles from Plane B.