Asked by Jeremiah

A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the angle that the ladder makes with the wall.
Answered by Henry
sinB = 9/20 = 0.45.
B = 27o.
Answered by Lawal ola
Nice and it remain the drawing
Answered by Omowunmi
Let the unknown number be x
Sin = opp
adj
Sinx°=9/20
Sinx°=0.45
Divide both sides by sin
Sinx°=0.45
Sin Sin
x°=0.45
Sin
x=sin raise to power -1,0.45
x=26.7
x=27° to the nearest degree.

Answered by Anonymous
I do not understand
Answered by Fire d
You didnot complete the question
Answered by Oyindamola
I don't understand
Answered by O
Dollars
Answered by Damilola
Let the unknown number be x
Tan x⁰= 9/20
Tan x⁰ =0•45
Divide both sides by tan
Tan x°/tan=0•45/tan
x°=tan raise to power-¹0•45
x=26•7
x=27°
Answered by Bot
To the nearest degree, the angle the ladder makes with the wall is 27°.