Which shapes are always cyclic?
AEvery polygon
BRectangles
CAll triangle
DAny 4-sided
Answer & Solution
Correct answer: B. Rectangles
1. A cyclic figure has all its corners on one circle.
2. The four corners of a rectangle lie on its circumcircle.
3. So all rectangles are cyclic.
4. The answer is rectangles.
_Source: NCERT Class 9 Mathematics, Ch 6 'Measuring Space: Perimeter and Area'_
Related questions
An arc's length depends on the angle it subtends at the:The length of a semicircle of radius r is:Who found a formula for the area of a cyclic quadrilateral?Heron's formula finds a triangle's area from its:Using Heron's formula, the area of the 3, 4, 5 triangle is:For a triangle of sides 3, 4 and 5, the semi-perimeter is:The semi-perimeter of a triangle is:Two congruent triangles fitted together make a: