Answer:
The area of the semi-circle is 35.8 cm².
Step-by-step explanation:
The length of the arc is given by:
(1)
Where:
s: is the length of the arc of semi-circle = 15 cm
r: is the radius
θ: is the angle in radians
Since we need to calculate the area of the semi-circle, the angle is:
From equation (1) we can find the radius:
Now, the area of the semi-circle is:
Therefore, the area of the semi-circle is 35.8 cm².
I hope it helps you!
Example: 2 5/2 multiply the bottom number 2 by the whole number 2 and add the top number 5, the bottom number (2) will always stay the bottom number so it would be 9/2
Answer:-
Step-by-step explanation:
1-5 marbles are blue you assign them a number and there is 1 red one and he is assign #6
Answer:
x = 67°
Step-by-step explanation:
x = m<K (corresponding angles are congruent)
m<K = 180 - (46 + 67) (sum of triangle)
m<K = 67°
Therefore,
x = m<K = 67°
x = 67°