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The ratio between a base angle and a ver...

The ratio between a base angle and a vertical angle of an isosceles triangle (base angles being equal) is 2:5. The vertical angle is:
किसी समद्विबाहु त्रिभुज (जिसके आधार कोण बराबर हैं) के एक आधार कोण और एक कोण के बीच का अनुपात 2 : 5 हैं| उप्र्वाधर कोण क्या होगा ?

A

`80^@`

B

`140^@`

C

`100^@`

D

`40^@`

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The base of an isosceles triangle is 6 cm and its perimeter is 16 cm. Its area is एक समद्विबाहु त्रिभुज का आधार 6 सेमी और इसका परिमाप 16 सेमी है| इसका क्षेत्रफल ज्ञात करें |

In an equilateral triangle, the value of each exterior angle is: एक समबाह त्रिभुज में, प्रत्येक बाहरी कोण का मान है:

The angles of a triangle are in the ratio 3 : 4 : 5. The triangle is: त्रिभुज के कोण 3: 4: 5 के अनुपात में हैं। त्रिभुज है:

If one of the angles of a triangle is 64^@ , then the angle between the bisectors of the other two interior angles is: यदि एक त्रिभुज का एक कोण 64^@ है, तो अन्य दो आतंरिक कोणों के द्विभाजकों के बीच बनने वाला कोण ज्ञात करे |

The angles of a triangle are in Arithmetic Progression. The ratio of the least angle in degrees to the number of radians in the greatest angle is 60: pi . The angles in degrees are:- किसी त्रिभुज के कोण समांतर श्रेणी में है। डिग्री में न्यूनतम कोण तथा रेडियन में सबसे बड़े कोण का अनुपात 60: pi है। डिग्री में कोणों के मान है।

The length of each equal side of an isosceles triangle is 15 cm and the included angle between those two sides is 90^@ . Find the area of the triangle. एक समद्विबाहु त्रिभुज की प्रत्येक बराबर भुजा की लंबाई 15 सेमी है तथा उनके बीच का कोण 90^@ है| इस त्रिभुज का क्षेत्रफल ज्ञात करें |

The exterior angle of a triangle is 115^@ and the corresponding interior opposite angles are in the ratio 2:3. The measure of greatest angle of the triangle is: एक त्रिभुज का बाहरी कोण 115^@ है और समान आंतरिक विपरीत कोण 2: 3 के अनुपात में हैं। त्रिभुज के सबसे बड़े कोण का माप है:

If angles of a triangle are in the ratio 2:3:4, then the measure of the smallest angle is: यदि एक त्रिभुज के कोणों का अनुपात 2 : 3 : 4 है, तो सबसे छोटे कोण का मान कया है ?

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