C-08-Q191: Two tangents $PA$ and $PB$ from external $P$ to a circle with centre $… | প্রশ্ন করি

C-08-Q191mediumsingle_mcq

Two tangents $PA$ and $PB$ from external $P$ to a circle with centre $O$ make $PO$ —

Triangles $OPA$ and $OPB$ are congruent (equal radii, equal tangents, common $PO$ ), so $\angle APO=\angle BPO$ ; thus bisects .

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এই অধ্যায়ের আরও প্রশ্ন

C-08-Q192To find the centre of a circle (or arc), one takes—
C-08-Q193The intersection of the perpendicular bisectors of two chords of a circle—
C-08-Q194Construction 6 works for an arc because the perpendicular bisector of any chord—
C-08-Q195To draw a tangent at point on a circle with centre , one constructs—
C-08-Q196At any point on a circle, the number of tangents that can be drawn is—
C-08-Q197To draw a tangent from an external point to a circle with centre , the auxiliary circle is drawn with—
C-08-Q198The auxiliary circle (in Construction 8) passes through because—
C-08-Q199The auxiliary circle meets the original circle at and ; the tangents from are—
C-08-Q200In Construction 8, right angle because—

parallel to

AB

∠BPO

PO

\angle APB