Find the area of the given shape. 1)
3 cm
3 cm
A) 9 cm
C) 4.5 cm
B) 18 cm
D) 5.5 cm

If the value of cos330°is√3/2 then find cos 165°.

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.

Solve the equation.then check your solution 8=1.88+a