Please help

1. These two pentagons are similar. (8 marks) 12.5 cm 12.5 cm B 5 cm 5 cm C 6 cm 6 cm 20 cm a. Calculate the length of PT. b. Calculate the length of DE. c. Draw a reduction of pentagon PQRST with a scale factor of d. Draw an enlargement of pentagon ABCDE with a scale factor of 2. 2. Naomi wants to calculate the height of a tree. She is 1.5 m tall and casts a shadow of 2.5 m. At the same time, the shadow of the tree is 10.5 m long. (4 marks) a. Sketch a diagram that can be used to calculate the height of the tree. b. What is the height of the tree