Math: pre-cal questions

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A circle has a Iadius of 19 in. Find the radian measure of the central angle 9 that intercepts an arc of length 15 in. Do not round any intermediate computations, and round your answer to the nearest tenth. B = D Iadians

A circle has a radius of 5.5ft. A sector of the circle has a central angle of 3.5 radians. Find the area of the sector. Do not round any intermediate computations. Round your answer to the nearest tenth. X 5 ?

A circle has a radius of 17 ft. Find the radian measure of the central angle 0 that intercepts an arc of length 15 ft. Do not round any intermediate computations, and round your answer to the nearest tenth. 0 = radians X 5 ?

A circle has a radius of 2.5cm. A sector of the circle has a central angle of 3 radians. Find the area of the sector. Do not round any intermediate computations. Round your answer to the nearest tenth. cm 2 X 5

For the right triangles below, find the exact values of the side lengths c and d. If necessary, write your responses in simplified radical form. CE 3 45- X 5 ? d= 609 C 6

A right triangle has side lengths 5, 12, and 13 as shown below. Use these lengths to find cos B, tan B, and sin B. A COS B = 12 13 tan B = CO sin B = 0 5

A right triangle has side lengths d, e, and f as shown below. Use these lengths to find cosx, sin x, and tanx. COSTS sinx = tan x = d

Find sin 0, where 0 is the angle shown. Give an exact value, not a decimal approximation. sin 0 = 13 5

Find sin 0, tan 0, and sec 0, where 0 is the angle shown in the figure. Give exact values, not decimal approximations. sin 0 tan 0 sec 0

Solve the right triangle. Round your answers to the nearest tenth. 19

A ladder leans against the side of a house. The angle of elevation of the ladder is 3'4", and the top of the ladder is 13 ft above the ground. Find the distance from the bottom of the ladder to the side of the house. Round your answer to the nearest tenth.

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