Mathematics - Geometry - Congruence and Similarity - Similar figures and scale factor - Similar Figures Problems

10 problems: (1) Find scale factor between similar figures. (2) Find missing sides using proportions. (3) Find unknown angles (equal in similar figures). (4) Area and volume scaling. Example: 'Two similar rectangles: small is 4×6, large is 10×?. Find ?' (15). 'Scale factor = 3. Small triangle area =