donchanaka145
Answered

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What is the length of the longest side of a right-angled triangle if one side is 5cm and one is 7cm? to one decimal place
Plese help I need answer quickly>"

Sagot :

Answer:

≈ 8.6 cm

Step-by-step explanation:

The longest side of a right triangle is the hypotenuse h

Using Pythagoras' identity , then

h² = 5² + 7² = 25 + 49 = 74 ( take the square root of both sides )

h = [tex]\sqrt{74}[/tex] ≈ 8.6 cm ( to 1 dec. place )

nazz1010

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hope this helps you.

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