A ladder 6m long leans against a vertical wall at an angl...
A ladder 6m long leans against a vertical wall at an angle 53º to the horizontal. How high up the wall does the ladder reach?
3.611m
4.521m
4.792m
3.962m
Correct answer is C
Sin θ = opphyp → x6
cross multiply:
sin53º * 6 = x
0.7986 * 6
4.792m
Simplify, correct to three significant figures, (27.63)2 - (12.37)2 ...
A school girl spends 14 of her pocket money on books and 13 on dress. What...
In diagram, PQ || ST and < PQR = 120o, < RST = 130o, find the angle marked x ...
Find the nth term of the sequence 4, 10, 16 ,......
Find the values of x for which x+24 - 2x−33 < 4...
Find the median of 2,3,7,3,4,5,8,9,9,4,5,3,4,2,4 and 5...
If N225.00 yields N27.00 in x years simple interest at the rate of 4% per annum, find x. ...