Q181
Open questionABDC is a parallelogram in which diagonals AD and BC intersect at O. AE and DF are perpendiculars on BC at E and F, respectively. Which of the following is NOT true?
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Geometry
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Q182
Open questionIn the given figure, chords AD and BC in the circle, are extended to E and F, respectively.
If ∠CDE = 85°, ∠DCF = 94°, then the value of ∠ABF + ∠EAB is:
If ∠CDE = 85°, ∠DCF = 94°, then the value of ∠ABF + ∠EAB is:
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Q183
Open questionIf one side of a triangle is 7 with its perimeter equal to 18, and area equal to then the other two sides are:
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Q184
Open questionIn a circle, a diameter AB and a chord PQ (which is not a diameter) intersect each other X perpendicularly. If AX : BX = 3 : 2 and the radius of the circle is 5 cm, then the length of chord PQ is
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Q185
Open questionABCD is a cyclic quadrilateral Diagonals BD and AC intersect each other at E. If ∠BEC = 128° and ∠ECD = 25°, then, what is the measure of ∠BAC?
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Q186
Open questionThe perimeter of a triangle with sides of integer values is equal to 13. How many such triangles are possible?
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Q187
Open questionABCDE is a regular pentagon. Its sides are extended as shown in the figure. The value of
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Q188
Open questionTwo parallel chords are drawn in a circle of diameter 20 cm. The length of one chord is 16 cm and the distance between the two chords is 12 cm. The length of the other chord is:
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Q189
Open questionIn a ΔXYZ, XO is the median and XO = YZ. If ∠YXO = 30°, then what is the value of ∠XYZ?
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Q190
Open questionln ΔPQR, O is the incentre and ∠P = 42°. Then what is measure of ∠QOR?
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Q191
Open questionABCD is a square and ΔMAB is an equilateral triangle. MC and MD are joined. What is the degree measure of ∠MDC?
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Q192
Open questionTwo chords of length unit and unit of a circle make angles 60° and 90° at the centre of a circle respectively, then the correct relation is:
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Q193
Open questionIn a triangle ABC, P and Q are point on AB and AC, respectively, such that AP = 1 cm, PB = 3 cm, AQ = 1.5 cm and CQ = 4.5 cm. If the area off ΔAPQ is 12 cm2, then find the area of BPQC.
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Q194
Open questionIf in the given figure, ∠ACB + ∠BAC = 80°, ∠BDE = 35°, ∠BCE = 45°, then the marked angle ∠CED is:
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Q195
Open questionABC is a cyclic triangle and the bisectors of ∠BAC, ∠ABC and ∠BCA meet the circle at P, Q and R respectively. Then the angle ∠RQP is:
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Q196
Open questionIn the given figure, AB, AC and EF are tangents to a circle. If AC = 15 and DE = 3 cm. Then the length of AE is:
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Q197
Open questionIn a ΔABC, ∠BAC = 90° and AD is perpendicular to BC where D is a point on BC. If BD = 4 cm and CD = 5 cm, then the length of AD is equal to:
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Q198
Open questionLength of the sides of a triangle are a, b and c respectively. If a2 + b2 + c2 = ab + bc + ca then the triangle is
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Q199
Open questionIn a trapezium ABCD, DC || AB, AB = 12 cm and DC = 7.2 cm. What is the length of the line segment joining the midpoints of its diagonals?
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Q200
Open questionA triangle with the lengths of its sides proportional to the numbers 7, 24 and 30 is:
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