Two similar pyramids have base areas of 12.2 cm2 and 16 cm2. The surface area of the larger pyramid is 56 cm2. What is the surface area of the smaller pyramid?

40.1 cm2
42.7 cm2
52.2 cm2
59.8 cm2

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

What other information do you need to prove triangle dac=bca by asa

The sum of two numbers is 12 and their difference is 18 what are the two numbers