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Start learning 50% faster. Sign in nowABCD is the rectangle where AB = CD = 10 cm and BC = AD = 8 cm. EF and BC are equal and parallel to each other. EF = BC = 8 cm Hence, EO = OF = 4 cm Thus, OEC = BCE = EOG = 90° Hence, COB = 90° Considering, the square ECGO and FBGO, OB = OC = 4√2 cm Now, AOBC is the right-angled triangle. Hence, the area of AOBC =1/2 x 8 x 4 = 16 cm²
If 2y cos θ = x sin θ and 2x sec θ - y cosec θ = 3, then the value of x2+ 4y2 is
...If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P...
Quantity I – 3
Quantity II – 254
If > 0 and < 0
If a + 1/a = -2 then the value of a1000 + a- 1000 is
If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?
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10 women and 12 men complete a certain piece of work in 30 days, if each women takes thrice the time taken by a man to finish the work.
Quanti...
If x + y + z = 19, xyz = 216 and xy + yz + 2x = 114, then the value of √ x3 + y3 + z3 + xyz is :
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The value of the expression (1 + sec22° + cot68°)(1 – cosec22° + tan68°) is