A12-foot ladder rests against a brick wall at angle of 60°. which expression gives the value of x, the height on the brick wall where the ladder rests?

the diagonal of the triangle representa the lenght of the ladder  and is 12 foot

as the Sen alpha = CO/H, OF THIS FORMULA , CO IS THE HICK OPPOSITE AND REPRESENT THE  HEIGHT

CO = Sen alpha*H = Sin (60°)* 12 = 10,39 FOOT

x = 23.78

step-by-step explanation: