19.08 rounds to nearest tenth

The actual length of side t is 0.045 cm. use the scale drawing to find the actual side length of w. a) 0.06 cm b) 0.075 cm c) 0.45 cm d) 0.75 cm

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16