The formula for the area a of a trapezoid is a=1/2(b1+b2)h, where b1 and b2 represents the lengths of the bases and h represents the height. which equation can be used to find the height of a trapezoid? a. h=2a-b1-b2 b. h=2a/b1+b2 c. h=a(b1+b2)/2 d. h=a-2/b1-b2

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°