In triangle IJK, JK=18, KI=14, IJ=11. Which statement about the angles of triangle IJK must be true?

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Tan198=asin164=? how to solve this? ?