The angle of a sector of a circle of diameter 8cm is 135&...
The angle of a sector of a circle of diameter 8cm is 135°. Find the area of the sector [Take π = 22/7].
937cm2
1247cm2
1867cm2
2517cm2
Correct answer is C
Area of a sector
\frac{θ}{360°} * πr^2
= \frac{135}{360} * 3.142 * 4 * 4
= 18\frac{6}{7}cm^2
In the diagram, QP//ST:PQR = 34o qrs = 73o and Rs = RT. Find SRT ...
In the diagram above MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140&...
In the diagram above, PQ is a tangent to the circle MTN at T. What is the size of ∠MTN? ...
In the diagram, PQ // SR. Find the value of x ...
Find the median of the following numbers 2.64, 2.50, 2.72, 2.91 and 2.35. ...
If x varies inversely as y and y varies directly as z, what is the relationship between x and z? ...
Find the value of p if \frac{1}{4}p + 3q = 10 and 2p - q = 7...
Find the value of x and y respectively if 3x - 5y + 5 = 0 and 4x - 7y + 8 = 0 ...