Iba Maths By Hashim Flashcards
1
Q
The thread of a kite is 120 m and it’s making 30 degree angular elevation with ground, what is the height of the kite?
A
60 meters
By using sin=P/H
2
Q
A tree bent by the wind. the top of the tree meets the ground at the angle of 60 degree the distance between the top of the tree and foot is 8 m, what is the height of the tree.
A
Tree tot gaya
X+Y=?
8√3+16 ans
3
Q
Find the largest angle
2,3,7
A
Cos-¹(-1/2)
4
Q
A
5
Q
When angle become 90 degrees then cosine law becomes what.
A
Pythagoras theorem
A²=B²+C²-2bc cos 90
A²=(b+c)²-0
6
Q
A
7
Q
A
8
Q
A
9
Q
Area of equilateral triangle having one side 4 cm
A
√3 x²\4
Ans = 4√3
11
Q
A
