Cho hình lăng trụ abc. a'b'c' có đáy abc là tam giác vuông tại a. ab=a

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 (%)

Write a similarity statement for the similar triangles. afgh ~ a

Classify the following number. −9.070707…