The width of Estelle's rectangular living room is 4 meters, and the distance between opposite corners is 7 meters. What is the l
ength of Estelle's living room? If necessary, round to the nearest tenth.
1 answer:
Answer:
5.7 meters
Step-by-step explanation:
Image a rectangle being cut diagonally in half, that would lead to two triangles. We can use the pythagorean theorem to find the missing side.
7 is the hypotenuse and 4 is the side length
4^2+x^2=7^2
16+x^2=49
sqrx=sqr(49-16)
x=sqr33
x=5.74
Rounded to the nearest tenth is 5.7
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