Question
In the given figure, AB, AE, EF, FG and GB are
semicircles. AB = 56 cm and AE = EF = FG = GB. What is the area (in cm2) of the shaded region?Solution
AE = EF = FG = GB = 14 Radius = 14/2 = 7 Radius of Semicircle = 7 OF = MF – MO = (28 – r) FB = MF = 28 ∠ 900, OF is targent for circle EF centre to targent 900 ∆ UPF apply PGT (7)2 + (28 – r)2 = (7 + r)2 49 = (7 + r)2 – (28 – r)2 49/7 = (35) – (2r – 21) 7 = 10r – 105 10r = 112 r = 11.2 area = πr2 = 22/7 × 11.2 × 11.2 = 394.24 cm2
A user communicates with a computer with the help of:
Which of the following permanent database that has an entry for each terminal symbol
The component responsible for synchronizing operations using timing signals is _______________. Â
Which of the following file format is not a video file format?
 Recently who among the following was re-elected general secretary of the 20th Central Committee of the Communist Party of China (CPC)?
Which of these are examples of interpreted programming languages? Â
Pre-programmed formulas in MS Excel are called _______. Â
Which of the following technologies were used by third-generation computers?Â
________ is the highest priority interrupt capable of interrupting all software and non-vital hardware devices.Â
Which type of network mostly we build, when two or more branches of an Organisation, situated in different countries, are connected together using inter...
Relevant for Exams:
