Mathematics: What is the length of a rectangle that has a width of 2.5 cm and an area of 20.5cm

What is the length of a rectangle that has a

Ответ:

mommer2019

31.12.2021

Mathematics

To find the length, divide the area by the width:

Length = 20.5 / 2.5 = 8.2 cm

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Ответ:

leannamat2106

31.12.2021

Mathematics

length 8.2cm

Step-by-step explanation:

Given that,

width(w)=2.5cm

area=20.5cm²

length(l)=?

now,

l=area/w

l=(20.5 / 2.5)cm

l=8.2cm

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Ответ:

mallorykay44

15.08.2020

Mathematics

C. x = 10

Step-by-step explanation:

By Pythagoras Theorem:

$\bigg( \frac{x}{2} \bigg)^{2} = {( \sqrt{74} )}^{2} - {7}^{2} \\ \\ \frac{ {x}^{2} }{4} = 74 - 49 \\ \\ \frac{ {x}^{2} }{4} = 25 \\ \\ {x}^{2} = 25 \times 4 \\ \\ {x}^{2} = 100 \\ \\ x = \sqrt{100} \\ \\ x = 10$

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What is the length of a rectangle that has a width of 2.5 cm and an area of 20.5cm

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