C-08-Q057mediumsingle_mcq

If a circle passes through the vertices of a right-angled triangle, then the centre of the circle is the—

acentroid of the triangle
bmidpoint of one leg
cmidpoint of the hypotenuse
dorthocentre

ব্যাখ্যা

The angle in a semicircle is a right angle, so the hypotenuse of the right-angled triangle is a diameter; its midpoint is the centre, equidistant from all three vertices.

এই অধ্যায়ের আরও প্রশ্ন

C-08-Q058In two concentric circles a chord of the outer circle meets the inner circle at and . Then—
C-08-Q059If two equal chords of a circle intersect, the segments of one chord—
C-08-Q060Two equal chords drawn from the two ends of a diameter on its opposite sides are—
C-08-Q061Of two chords of a circle, the bigger chord is—
C-08-Q062In the figure with cm and , equals—
C-08-Q063In the same figure, the largest chord of the circle is—
C-08-Q064A chord cm of a circle with centre has . If cm and the radius equals the diameter logic gives cm such that —th
C-08-Q065If a line joining two points makes equal angles at two different points on the same side of the line, then the
C-08-Q066The midpoints of equal chords of a circle are—
C-08-Q067Two parallel chords drawn from the two ends of a diameter on its opposite sides are—

Circle — সব প্রশ্ন দেখুন (231টি) →