Answer:
17.82
Step-by-step explanation:
since this is a right triangle you can use one of the trigonometric ratios, in this case it would be cosine because you have values for the adjacent and hypotenuse sides
cos(27°) = x/20
x = 20 · cos(27°)
x = 17.82
Answer:

STEP BY STEP EXPLANATION

To make
a perfect square we should add 
Answer:
Step-by-step explanation:
Area of 19 by 29 rectangle = 551 sq ft
White space:
Area of large triangle = 0.5*15^2 = 112.5 sq ft
Area of 15 by 14 rectangle = 210 sq ft
Area of small triangle = 0.5*4^2 = 8 sq ft
Shaded area = 551 - 112.5 - 210 - 8 = 220.5 sq ft
Answer:
6 feets
Step-by-step explanation:
The triangle described in the question has been sketched in the picture attached below :
From the triangle, we could solve for X, which is the base of the triangle using trigonometry :
Sinθ = opposite / hypotenus
Sin 30° = x / 12
0.5 = x / 12
x = 12 * 0.5
x = 6 feets
Hence base, x = 6 feets
Download the app photo math, it will give u all the answers for those and shows the work