Mathematics FA Part 1 Online Test With Answers

Mathematics FA Part 1 Online Test

Sr. # Questions Answers Choice
1 If 2s = a + b + c, where a, b, c are the sides of a triangle ABC, then area of triangle ABC is given by:
2 When two sides and included angle is given, then area of triangle is given by: all of these
3 In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is: 15° 30° 60° 45°
4 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
5 If 2s = a + b +c, then in any triangle ABC: none of these
6 In 2s = a + b + , then in any triangle ABC: all of above
7 If 2s = a + b + c, then in any triangle ABC: all of these
8 right angled equilateral isosceles obtuse angled
9 In any triangle ABC, law of tangents is: all of these
10 In a triangle ABC b = √3, c = 1, α = 30° then a = : 2 1 3 -1
11 In a triangle ABC if a2 - b2 + c2 = ac then < ß =
12 In any triangle ABC, law of cosines is:
13 In any triangle ABC, law of sines is:
14 In a triangle ABC, (s - a)(s - b) = s(s - c), then the angle Γ =
15 In triangle ABC, If Γ = 90° then: b = c + a
16 If triangle ABC, If ß = 90° then: none of these
17 In triangle ABC, if α = 90° then: none of these
18 If the elevation of the sun is 30°, the length of the shadow cast by a tower of 150m height is: none
19 In a right isoceles triangle, one acute angle is: 30° 45° 60° 75°
20 If α, ß, Γ are the angles of a oblique triangle, then: α = 90° ß = 90° Γ = 90° none of these
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