4. Find and simplify the exact areas of the following triangles. Do not calculate. 3 cm (a) 60° 8 cm

Find the size of A to the nearest second?

Find the distance y to the nearest hundredth of an inch.

If the angle of elevation to the sun is 74.3 when a flagpole casts a shadow of 22.5 feet, what is the height of the flagpole? a. 63.2 feet b. 79.5 feet c. 83.1 feet d. 80.0 feet

When radii OA and OB are placed so that they coincide, a 240 sector of a circle is sealed to form a right circular cone. If the length of the radius of the circle is 6.4 cm, what is the lateral area of the cone that is formed? Use a calculator and round the answer to the nearest tenth of a square inch.

The area of a circle is 600m2. Find the area of a sector of this circle that subtends a central angle of 3 rad.

Compute the area of the pattern shown. Round the answer to the nearest square centimeter.

Find the area of the pattern shown. Round the answer to the nearest square centimeter.

Find the exact lengths of the radius and the diameter of a circle whose area is: a 25 in2 b 2.25 cm2

Find the unknown area, base, or height for each of the triangles 7 through 18. Where necessary, round the answers to 1 decimal place.