In ΔGHI, the measure of ∠I=90°, the measure of ∠G=30°, and IG = 3.9 feet. Find the length of GH to the nearest tenth of a foot.

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Can (2,3 and square root 10) be sides ona right triangle?