A tunnel has to be built through a mountain. To estimate the length of the túnel a surveyor makes the measurements shown in the figure. Use the surveryor’s information to approximate the length of the tunnel Topographer information a= 259 meters b=369meters 84degree Tunnel length d

Q: Estimate the measure of ZKLM to the nearest 10°. L. K M

A: Topic = Angles

Q: What is the measurement of Arc AE? 40° 130° 80 65 50 35

A:

Q: In ΔKLM, the measure of ∠M=90°, the measure of ∠K=25°, and MK = 15 feet. Find the length of KL to…

A: see 2nd step.

Q: The sonar of a navy ship detects a submarine that is 4000 feet from the ship. The angle between the…

A:

Q: You wish to measure the distance from point G to H across a river, as shown in the figure. If the…

A:

Q: Find the length of GJH and JH in the circle below, where GJ is a diameter. Round to the nearest…

A:

Q: Find the measure of arc BC. D 54% B C

A:

Q: A clock has hands of length 12cm and 8cm. What is the distance between their tips at 2:00PM? a.…

A: To find the distance between the tips

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.