What is the solution of the inequality 2x-9<7
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
Evaluate Blue when z = 9
To do this, we simply substitute 9 for z in
Convert indices to fraction
<em>Hence, the blue section has an area of </em><em></em>
Given:
Measure of the internal angles of the regular polygon
To find:
The missing measure of angle x.
Solution:
The clear image of the question is attached below.
Number of sides (n) = 8
<u>Sum of interior angles of a regular polygon:</u>
Sum = (n - 2) × 180°
Substitute n = 8.
105° + 110° + 150° + 125° + 110° + 159° + 160° + x = (8 - 2) × 180°
919° + x = 6 × 180°
919° + x = 1080°
Subtract 919° from both sides.
919° + x - 919° = 1080° - 919°
x = 161°
The measure of the internal angle x is 161°.
