In the figure above, arc RST measures 30°
1 answer:
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Answer:
c. 25°
Step-by-step explanation:
Sum of angles in a triangle:
The sum of the measures of the angles of a triangle is 180º.
In this question:
Angles of 3x, 2x-13 and 5x + 3.
The sum is 180º. So
Measure of each angle:
3x = 3(19) = 57º
2x - 13 = 2(19) - 13 = 38 - 13 = 25º
5x + 13 = 5(19) + 3 = 95 + 3 = 98º
The smallest angle is 25º, and the correct answer is given by option c.
Answer:
The area of the semi circle
Step-by-step explanation:
<u><em>Explanation</em></u>:-
<em>Given radius of circle 'r' = 10 cm</em>
<em>The area of the circle formula </em>
<em> </em><em></em>
<em>The area of the semi circle formula </em>
taking π =3.142
On calculation , we get
<u><em>Final answer</em></u>:-
<em>The area of the semi circle </em><em></em>