11th class Mathematics chapter 12 online mcq test with answers for FA part 1 Mathematics chapter 12 (Application of Trigonometry)

11th Class FA Mathematics Chapter 12 Online Test

Sr. #	Questions	Answers Choice
1	r₃ =
2	r₂ =
3	r₁=
4
5		r<sub>1</sub> r<sub>2</sub> r<sub>3</sub> r
6
7	r r₁ r₂ r₃ =	abc
8	The in-radius r of a triangle is given by:
9	The circum-radius R of a triangle is given by:
10	With usual notations for triangle R equals:
11	A circle passing though the vertices of a triangle is known as:
12	A circle drawn inside a triangle and touching its sides is known as:
13	A circle which touches one side of a triangle externally and the other two produces sides internally is known as:
14	If 2s = a + b + c, where a, b, c are the sides of a triangle ABC, then area of triangle ABC is given by:
15	When two sides and included angle is given, then area of triangle is given by:	all of these
16	In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is:	15° 30° 60° 45°
17	The lengths of the sides of a triangle are proportional to the sines of the opposite angles to the sides. This is known as:	The law of sines The law of cosines The law of tangents The fundamental law
18	If 2s = a + b +c, then in any triangle ABC:	none of these
19	In 2s = a + b + , then in any triangle ABC:	all of above
20	If 2s = a + b + c, then in any triangle ABC:	all of these