Answer:
Step-by-step explanation:
Tan Ф = opposite/adjacent = 170/90 = 1.89
Ф = tan⁻¹ 1.89 = 62.1°
tan Ф = x/207
tan 62.1° x 207 = x
1.89 x 207 = 391.23
Use the formula.much easier.
Answer:
radius 2 meters
Step-by-step explanation:
Take the circumference formula 
Divide both sides by pi ÷ 3.14 ÷3.14
4=d
Divide by 2 to find radius 4 divided by 2 is 2
1.16
2.5
3. 18*6= answer
4. 17+25= Answer
And so on
Simple use calculator