SOH CAH TOA
In a right triangle, the opposite side is 6 cm and the hypotenuse is 10 cm. What is sin θ?
0.6
What is sin 30°?
1/2
Complete the sine rule: a / sin A = ?
b / sin B = c / sin C
If two sides and the included angle are given, which formula can we use to find the third side?
c^2=a^2+b^2−2abcosC
If two sides and the included angle are given, Which formula can calculate the area of triangle?
Area = 1/2 ab sin C
Find x: x is opposite a 35° angle, and the hypotenuse is 12 cm.
6.9 cm
What is cos 60° + sin 30°?
1
In triangle ABC, A = 40°, B = 65°, and a = 8 cm. Find b.
11.3 cm
Two sides are 7 cm and 10 cm with an included angle of 60°. Find the third side.
8.9 cm
A right triangle has base 9 cm and height 12 cm. Find the area.
54 cm²
Find θ if the opposite side is 7 cm and the adjacent side is 10 cm.
35.0°
What is tan 45° + cos 0°?
2
In triangle ABC, A = 50°, B = 70°, and a = 12 cm. Find C and b.
C = 60°, b = 14.7 cm
A triangle has sides 6 cm, 9 cm and 11 cm. Find the angle opposite the 11 cm side.
A triangle has sides 6 cm, 9 cm and 11 cm. Find the angle opposite the 11 cm side.
Find the area of a triangle with sides 10 cm and 14 cm and included angle 38°.
43.1 cm²
A 5 m ladder leans against a wall. The angle with the ground is 68°. How high up the wall does the ladder reach?
4.6 m
Simplify: sin 60° ÷ cos 30°
1
In triangle ABC, A = 35°, a = 9 cm, and b = 12 cm. Find the possible values of B.
49.9° or 130.1°
Two sides are 8 cm and 13 cm with an included angle of 115°. Find the third side
17.9 cm
Find the area of a triangle with sides 8 cm and 11 cm and included angle 72°.
41.8 cm²
A right triangle has hypotenuse 17 cm and adjacent side 8 cm. Find the opposite side and θ.
Opposite = 15 cm, θ = 61.9°
Evaluate: 4sin30° + 2cos60° − tan45°
2
In a triangle, the side opposite 73° is 18 cm. Find the side opposite 48°.
14.0 cm
A triangle has sides 5 cm, 7 cm and 10 cm. Find the largest angle.
111.8°
In triangle ABC, AB = 12 cm, AC = 15 cm, and angle B = 55°. Find the area of the triangle.
89.5 cm²