Which statement justifies that the sum of Angle 1 and Angle 2 is 180°?

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?