Answer:
Sin J= 42/58= 21/29
Cos J= 40/58= 20/29
Tan J= 42/40= 21/20
Explanation:
Answer: 6
Step-by-step explanation: Look at the other triangle
Answer: 2700
Step-by-step explanation:
If every single student met one an another, then you would hear 90 hi's. Since there are 45 different combinations of 2 students meeting another, and since there are 2 hi's each meeting, there would be 90.
I hope that this helps.
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