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A circle is inscribed in the triangle ABC whose sides are given as AB = 10, BC = 8, CA = 12 units as shown in the figure. The value of AD × BF is:
त्रिभुज ABC में एक वृत्त अंकित किया हुआ है जिसके किनारे AB = 10, BC = 8, CA = 12 इकाई के रूप में दिए गए हैं जैसा कि चित्र में दिखाया गया है। AD x BF का मान है:

A

a)18 units

B

b)21 units

C

c)16 units

D

d)15 units

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A circle inscribed in a triangle ABC touches its sides AB, BC and AC at the points D, E and F, respectively. If AB = 18cm, BC = 15cm and AC = 13 cm then the value of of AD+BE+CF is: एक त्रिभुज ABCमें अंकित एक वृत्त क्रमशः AB, BC और AC के भुजाओं D, E और F को स्पर्श करता है। यदि AB = 18 सेमी, BC = 15 सेमी और AC = 13 सेमी है तो AD+ BE+ CF का मान है:

In the given figure, triangle ABC is an isosceles triangle, in which AB=AC, AD bot BC , BC = 6cm and AD = 4cm. The length of AB is: दी गयी आकृति में, त्रिभुज ABC एक समद्विबाहु त्रिभुज है जिसमें AB = AC, AD bot BC , BC = 6सेमी तथा AD =4 सेमी है | AB की लंबाई कितनी है ?

In triangle ABC ,AD bisects angle A which meets BC at D. If BC = a, AC = b and AB = c, then DC = ? त्रिभुज ABC में, AD कोण A को द्विभाजित करता है जो BC से D पर मिलता है | यदि BC = a, AC = bऔर AB = c है, तो DC = ?

A circle is inscribed in a triangle ABC. It touches sides AB, BC and AC at point P, Q and R respectively. If BP=9cm, CQ=10cm and AR=11cm, then the perimeter (in cm) of the triangle triangle ABC is: त्रिभुज ABC के अंदर एक वृत्त बनाया गया है| यह AB, BC और ACभुजाओं को क्रमशः P, Q और R बिंदुओं पर स्पर्श करता है। अगर BP=9cm, CQ=10cm और AR=11cm है तो triangle ABC की परिमिति (cm में) हैः

A circle is inscribed in a triangle ABC. It touches sides AB, BC and AC at the points P, Q and R respectively. If BP=8.5cm, CQ= 6.5cm and AR=4.5cm,then the perimeter (in cm) of the triangle ABC is: त्रिभुज ABC के अंदर एक वृत्त बनाया गया है| यह AB, BC और AC भजाओुं को क्रमशः P, Q और R बिंदुओं पर स्पशे करता है| अगर BP=8.5cm, CQ= 6.5cm और AR=4.5cm है, तो triangle ABC की परिमिति (cm में) हैः

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