AB = 8 m DC = h, BC = x In ∆BCD tan 45 ° = DC/BC = h/x 1 = h/x x = h In ∆ACD tan 30° = DC/AC = DC/(AB + BC) 1/ √3 = h/(8 + x) 1/ √3 = h/(8 + h) 8 + h = √3 h √3 h - h = 8 h ( √3 - 1 ) = 8 h = 8/( √3 - 1) x ( √3 + 1)/ ( √3 + 1) = 4( √3 + 1)
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(72, 12, 36)
(40, 8, 25)
...
Select the option that is related to the fifth number in the same way as the second number is related to first number and the third number is related to...
If 58 # 67 = 82 and 24 # 55 = 33, then 72 # 84 = ?
Which two signs should be interchanged to make the following equation correct?
36 ÷ 48 × 16 + 8 – 40 = 76
Select the option that is related to fourth number in the same way as the first number is related to the second number and the fifth number is related t...
27 : 36 : : 42 : ?
Select the option that is related to first number in the same way third number is related to forth number.
26: ? :: 33: 1155
If 5Ω9 = 90, 9Ω4 = 72 and 3Ω9 = 54, then find the value of 6Ω5 = ?
Select the option that is related to the third term in the same way as the fourth term is related to the sixth term and the second term is related to th...
Select the option that is related to fifth number in the same way as the second number is related to the first number and the fourth number is related t...
