Answer:
x = 8
Step-by-step explanation:
Formula for sum of interior angles is 180(n - 2)
For a 5 sided polygon the sum is;
180(5 - 2) =540°
The supplement of ∡ 59° = 180° - 59° = 121°
The supplement of ∡ 77° = 180° - 77° = 103°
The supplement of ∡ 66° = 180° - 66° = 114°
The supplement of ∡ 62° = 180° - 62° = 118°
The sum of the polygon is:
121° + 103° + 114° + 118° + (180 - 12x)° = 540°
456° + (180 - 2x)° = 540°
(180 -12x)° = 540° - 456° = 84°
12x = 180° - 84° = 96°
x = 96/12 = 8
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Answer:
m=4 because 2 times 4 is 8 and n= 8 because 2 times 8 is 16
Step-by-step explanation:
The area of a trapezoid is A = (a+b/2)(h).
So just plug in your numbers.
<h2><u>Direct answer</u> :</h2>
Width of the enlarged photograph = 14 cm
<h2><u>Steps to derive the correct answer</u> :</h2>
Length of a small photograph = 6 cm
Width of a small photograph = 4 cm
Length of the photograph when enlarged = 21 cm
Let the width of the photograph when enlarged be x.
Which means :






Thus, the value of x = 14
Therefore, the width of the enlarged photograph = <u>14 cm</u>