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Start learning 50% faster. Sign in now 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
Onions, broccoli, fresh fruits, milk, eggs, and iodized salt are good sources of _________.
Which of the following is not a simple machine?
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Which of the following is most correct about a balanced diet?
A battery of emf 12 V and internal resistance 4 ohm is connected to a resistor. If the current in the circuit is 0.6 A, what is the resistance of the re...
Which of the following is an example of mutualism?
When a metal reacts with dilute hydrochloric acid, it produces:
A body of mass 2 kg is moving in SHM with angular frequency 4 rad/s and amplitude 0.1 m. Max kinetic energy is: