Solve the triangle. A≈ 10 (Round to one decimal place as needed.) C 4 2 B A 5

Three pieces, each in the shape of a sector, are cut from the rectangular sheet of steel shown. How many Square meters are wasted after the three pieces are cut? Round the answer to the nearest tenth meter.

Find the weight of the cast-iron angle iron shown. Cast iron weighs 0.284 pound per cubic inch. All dimensions are in inches. Round the answer to the nearest tenth pound.

Determine the length of side b. Round the answer to 3 decimal places.

Engine pistons and cylinder heads are made of an aluminum casting alloy that contains 4% silicon, 1.5% magnesium, and 2% nickel. Round the answers to the nearest tenth kilogram. a. How many kilograms of silicon are needed to produce 575 kilograms of alloy? b. How many kilograms of magnesium are needed to produce 575 kilograms of alloy? c. How many kilograms of nickel are needed to produce 575 kilograms of alloy?