angie8793
Answered

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Anna purchased a phone with a rectangular screen that measures 6,5 centimeters in width and 12 centimeters in length. She wants to know the diagonal measure of
the screen. Round your answer to the nearest tenth of a centimeter
6.5 cm
12 cm

Sagot :

vgandbg1970

Answer:

78? pls correct me if I'm wrong

Step-by-step explanation:

Length times Width equals Area.

6.5×12=78

Answer:

anywhere within 13.5 < cm < 14.5   ie) 13.7cm

Step-by-step explanation:

Pythagoras for all diagonals or right angle sides.

12^2 + 6.5^2 = c^2

sqrt 144 +  sq rt 42.25 = c^2

c^2 = sq rt 186.25 =  13.6473441  = 13.7cm

nearest 10th of a cm = 13.5<cm<14.5

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