Question

Assessment
Question 2
एक त्रिभुज RST की रचना इस प्रकार की गई है कि
RS=4.5cm,RT =4.5cm और कोण TRS= 50 डिग्री
है। त्रिभुज का प्रकार बताओ?A triangle RST is
constructed in such a way that RS = 4.5 cm, RT
= 4.5 cm and angle TRS = 50 °. Name the type
of triangle?.​

Answer 1

Given : एक त्रिभुज RST की रचना इस प्रकार की गई है कि RS=4.5 cm, RT =4.5cm और कोण TRS= 50°

A triangle RST is constructed in such a way that RS = 4.5 cm,

= 4.5 cm and angle TRS = 50°.

To Find : त्रिभुज का प्रकार बताओ?

Name the type of triangle?​

Solution:

RS = RT = 4.5  cm

∠ TRS = 50°.  ≠ 60°

Hence given triangle is Isosceles triangle

समद्विबाहु त्रिभुज

समद्विबाहु त्रिभुज  एक न्यूनकोण त्रिभुज होती है

Isosceles triangle is always an acute angles triangle

Acute angles triangle - all angles below 90 deg

right angle triangle - one angle 90 deg

obtuse angled triangle - one angle above 90 deg

Equilateral  Triangle - all sides equal

Isosceles triangle - two sides equal

Scalene  - none of sides are equal

Isosceles right angled - one angle is 90 deg and two sides are equal

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