The sides of a triangular ground are 5mt, 7mt and 8mt respectively. Find the cost of levelling the ground at the rate of Rs10. Per m. square

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

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.°