Find the measure of the angle indicated

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Draw a scaled copy of the circle using a scale factor of 2

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.