Answer:
Option D, ∠FBE
Step-by-step explanation:
The image for the question is attached herewith
Solution
As per the property of arc, angles subtended by the same arc (chord) on the circumference of a circle have equal measures.
∠FAE is an angle subtended by the arc FE that touches the circle at point 'A'.
∠FBE is also subtended by the arc FE at the point 'B'.
Therefore, we must have
m∠FAE = m∠FBE.
Since, m∠FAE = 72°, so m∠FBE = 72°.
Hence, option D, ∠FBE
<span>So we want to know what is the area of the shaded reagion that consists of a circle inside a square If the side of the square is a=10cm. For that we simply calculate both areas and subtract the area of a circle from the area of a square: area of a square A=10^2=100 cm^2, area of a circle B=pi*r^2 where r=a/2. So: B=3.14*5^2=78.5cm^2: A-B=100-78.5=21.5cm^2 So the correct answer is D</span>
Answer:
8(3x+8y)
Step-by-step explanation:
Answer:
t ≤-3
Step-by-step explanation:
5t≤-15
Divide by 5
5t/5 ≤-15/5
t ≤-3
Answer:
12 ft
Step-by-step explanation:
The ladder forms a right triangle with the building and the ground, since the ground is perpendicular to the building
Therefore, we can use the Pythagorean theorem:
c2 = a2 + b2
From the information in the problem, c is 20 ft, b is 16 ft, and a is what we solve for:
(20 ft)2 = a2 + (16 ft)2
a = √((20 ft)2 - (16 ft)2) = 12 ft