250 geometry questions with answers by tanbir

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Transcript of 250 geometry questions with answers by tanbir

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    ) ABC , A = AD, BC D , AB = BC.BD AC = BC.DC ) ,

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    AB CD O , ? AOD = BOC ? ? A B A = B = ? ? ? , ? / ? ? AB P ? AB > AP ? ? ? ? ? ? ? ? ? , ? ? ?

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    ? ? ? a0 a=? 1 A B A = B = ? / ? S ? AB P ? AB > AP AB CD O , ? AOD = BOC ? ?

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    ABC B C O , BOC = ? 90 + 1/2 A S , ? The 2nd angle of a right angle is 30. Then what is the third angle?/ ? 60 ? ? ? : : ? Sh ABC BC D ACD = 105 BAC + ABC =? 105 , ? ABC- AB = CA ? ABC > ACB , ? ? ? ? ABC A B C AB = AC B = 75 A = ? ? . . ? . -

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    ? ABC- BC D A = 60 B = 90 , ACD = ? 150 ? /( ) ? ? . ABC AB = AC, A = 80, B = ? 45, 90, 45 , ? ABC - D, E, F BC, CA AB ABC , DEF 6 ? ? , ? ABC B C , D BC ? AC > AD ? , , / , , ? ABC BC AD BAD- ? ? , ? ? ? ,

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    , ? , ? ? ? ABCD DC E BAD = BCE = ? ? . . . . . ? . 20x 4x+3 , ? 6x-3 , , ? BC = , CF = , DE = ? . ? . ? ? The area of a rectangle is 200 sq.m. If the lenght is twice the breadth, what is the perimeter of the rectangle?/ ? 60 ? S ? % % ? %

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    , , ? % % % ? . ? , ? What is the area of a square if its perimeter is 400 meter?/ ? 100 ? . . ? , ? , ?

    ? , ? O A, P, B APB = 90 AOB ? / . A wheel makes 1000 revolutions in covering a distance of 88 km. The diameter of the whell?/ ? 28 m % % ? O- AB, A AOB = 60 ABO = ? ? r r + 1 , r- ? n/(2 1)

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    O D,AB - ODB=? 90 - - .. .. - ? .. ? ? ? ? ? .. .. - ? .. ? x2 + y2 = 16 . ? ? r r + n , r- ? n/(2 1) ? , ? , ? ? The diameter of a wheel is 63 cm. Distance traveled by the wheel in 100 revolutions is/ ? 198 meters (x 4)2 + (y + 3)2 = 100 ? (4, -3) r b ? r2/b ? , ? . .. ? . .

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    O D, AB ODB = ? = . ? . , ? . : : Which is the largest?/ ? Not possible to say . ? . % , ? % If the circumference of a circle is increased by 50%, its area will be increased by-/ % , 125% ? O ABC OA OB OA = OB : , ? : ? . . ? . O OD, AB AD = 3 AB = ? .. ? ? A B O AOB = ? ADB AB CD P ? PB = PD P, Q, R PQ = a, QR = b, RP = c, , P a-b+c ? / ?

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    ? ? / ? ? ? / A clock loses ten minutes each day. How many days will take to reach the point where the clock will indicate correct time?/ ? 72 A cake is put in the oven at 7.20 am. If the cake takes three quarters of an hour to bake, at what time should it be taken out of the oven?/ . - ? 8.05 am

    , ? ? . Which is different from rest of the group?/ ? Cube , . ? . ? , ? : : ? r h / r2h ? , , .. ?

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    , ? ? ., . . ?

    x + y 1 = 0, x y + 1 = 0 y = 3 x2 4xy + y2 +8x 2y 5 = 0 ? x + 3y = 0 ? (, ), (-, -) (-, -) ? P (x,y) ? (x2 +y2) x2 + y2 + 64 = 0 ? x + y = 0 2x y + 3 = 0 ? (-, ) y = 3x + 2, y = -3x + 2 y = -2 ? (,) (,) ? (, ) ? x y + 2 = 0 x2 + y2 + 3 = 0 -

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