With the same setup, $\angle YNZ$ equals—

a $90^{\circ} + \frac{1}{2}\angle X$
b $90^{\circ} - \frac{1}{2}\angle X$
c $\angle X$
d $\frac{1}{2}\angle X$

ব্যাখ্যা

$N$ is the excentre opposite $X$ , formed by external bisectors of $\angle Y$ and $\angle Z$ . The angle subtended there is $\angle YNZ = 90^{\circ} - \tfrac{1}{2}\angle X$ , which is the standard excentre angle relation.

Kপূর্ববর্তী

C-08-Q220

221/231

Jপরবর্তী

C-08-Q222

এই অধ্যায়ের আরও প্রশ্ন

C-08-Q222Again with the same setup, the four points are—
C-08-Q223In the sample MCQ, with centre and the given figure, the angle on the circumference standing on a central angl
C-08-Q224With for tangents and centre , equals—
C-08-Q225With the same configuration and the midpoint of arc , which of the following are correct? (i) , (ii) is FALSE
C-08-Q226In the creative question, and are equal chords of circle with centre . From the centre, perpendiculars to thes
C-08-Q227In the same setup, the foot of the perpendicular from to is—
C-08-Q228In a circle with centre and chord cm, if the perpendicular from has cm, then the radius equals—
C-08-Q229In a cyclic quadrilateral , if side is extended to a point so that an exterior angle is formed, then (i.e. the
C-08-Q230

∠YNZ=

90∘−

21∠X

To find the centre of an arc drawn with radius cm, one draws perpendicular bisectors of two chords of the arc

C-08-Q231In a circle with centre , inscribed angles and standing on arc satisfy—

Circle — সব প্রশ্ন দেখুন (231টি) →

With the same setup, ∠YNZ\angle YNZ∠YNZ equals—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

With the same setup, $\angle YNZ$ equals—