MCQ
The first known proof that ‘the circle is bisected by its diameter’ was given by:
- APythagoras
- ✓Thales
- CEuclid
- DHypatia
✓
Answer
Correct option: B.
Thales
Thales
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Side $BC$ of a triangle $ABC$ has been produced to a point $D$ such that $\angle\text{ACD}=120^\circ.$ If $\angle\text{B}=\frac{1}{2}\angle\text{A},$ then $\angle\text{A}$ is equal to :
→The quadrilateral formed by joining the midpoints of the sides of a quadrilateral $ABCD,$ taken in order, is a rectangle, if:
→If $\text{x}^3+\frac{1}{\text{x}^3}=110,$ then $\text{x}+\frac{1}{\text{x}}=$
→Which one of the following is not equal to $\Big(\frac{100}{9}\Big)^{-\frac{3}{2}}?$
→Euclid stated that all right angles are equal to each other in the form of
The product of two irrational number is:
Write the correct answer in the following: Greek’s emphasised on:
Write the correct answer in the following: The figure formed by joining the mid-points of the sides of a quadrilateral $ABCD$, taken in order, is a square only if,
→Which of the following is an irrational number$?$
→In the given figure if $OA = 5\ cm, AB = 8\ cm$ and $OD$ is perpendicular to $AB$, then $CD$ is equal to: 
→