Last updated: October 22, 2026 · Written by the Math Made Easy math teachers

Standards: G-SRT.D.9, G-SRT.D.10, G-SRT.D.11 · Level: Grade 10 Geometry
Question 1 Triangle Area (2 points)
Calculate the area of this triangle, rounded to one decimal place.
Question 2 Find a Side with Sines (2 points)
In triangle ABC, A = 81°, B = 33° and a = 22. Find b to the nearest tenth.
Question 3 Find a Side with Cosines (2 points)
In triangle ABC, a = 19, b = 14 and C = 48°. Find c to the nearest tenth.
Question 4 Largest Angle (3 points)
Find the largest angle of the triangle to the nearest tenth of a degree.
Question 5 Which Law First? (2 points)
State which law to use first, the Law of Sines or the Law of Cosines. (a) B = 52°, C = 61°, b = 33. (1 point) (b) a = 5, b = 8, c = 11. (1 point)
Question 6 Across the Canyon (3 points)
A park ranger at point R measures 310 feet to a boulder B and 275 feet to a tree T across a canyon. The angle BRT is 84°. Find the distance BT to the nearest foot.
Question 7 Two Lookouts (3 points)
Fire lookouts at A and B are 5.4 miles apart. Each spots a fire at F. The angle at A in triangle ABF is 58° and the angle at B is 49°. Find the distance from A to the fire to the nearest tenth of a mile.
Question 8 Hikers at Different Bearings (3 points)
Two hikers leave a campsite. The first walks 9 miles on a bearing of 040°. The second walks 14 miles on a bearing of 115°. How far apart are they to the nearest tenth of a mile?

