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प्रश्न
Which of the following is not possible?
विकल्प
An obtuse isosceles triangle
An acute isosceles triangle
An obtuse equilateral triangle
An acute equilateral triangle
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उत्तर
An obtuse equilateral triangle
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संबंधित प्रश्न
Two angles of the triangle are given. Find the third angle.
80°, 60°
Two angles of the triangle are given. Find the third angle.
52°, 68°
Two angles of the triangle are given. Find the third angle.
50°, 90°
Two angles of the triangle are given. Find the third angle.
120°, 30°
Two angles of the triangle are given. Find the third angle.
55°, 85°
Using the given information, write the type of triangle in the table given below
| S.No | ∠1 | ∠2 | ∠3 | Type of triangle based on angles | Type of triangle based on sides |
| i. | 60° | 40° | 80° | Acute angled triangle. | Scalene Triangle |
| ii. | 50° | 50° | 80° | ||
| iii. | 45° | 45° | 90° | ||
| iv. | 55° | 45° | 80° | ||
| v. | 75° | 35° | 70° | ||
| vi. | 60° | 30° | 90° | ||
| vii. | 25° | 64° | 91° | ||
| viii. | 120° | 30° | 30° |
Is a triangle possible with the angles 90°, 90° and 0°? Why?
If one angle of an isosceles triangle is 70°, then find the possibilities for the other two angles
State the following statement is true or false? Why?
Every isosceles triangle is an equilateral triangle
Complete the following table:
| Types of Triangle/Its Angles | Acute angled triangle | Right angled triangle | Obtuse angled triangle |
| Any two angles | Always acute angles | i. | Always acute angles |
| Third angle | ii. | Right angle | iii. |
