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Answer :
Answer:
Height of the screen = 20.6 inches
Step-by-step explanation:
The diagonal measure of a rectangular TV screen is 42 inches. The width of the screen is 36.6 inches.
The diagonal , width and height forms a right angle triangle
So we apply pythagorean theorem
Diagonal is the hypotenuse
LEt the height of the screen is 'h'
c^2= a^2 + b^2
42^2= 36.6^2 + h^2
Subtract 36.6^2 from both sides
h^2 = 424.44
Take square root on both sides
h=20.60194
Round to nearest tenth
Height of the screen = 20.6 inches
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Rewritten by : Barada
Step 1: 36.6^2 + X^2 = 42^2 = 1339.56 + X^2 = 1764
Step 2: 1764 - 1339.56 = 424.44
Step 3: square root of 424.44 = 20.6.
So the height of the screen is 20.6. Hope that helps! :)
Step 2: 1764 - 1339.56 = 424.44
Step 3: square root of 424.44 = 20.6.
So the height of the screen is 20.6. Hope that helps! :)
