Find the measure of each marked angle. (2x-21)= (x+4)0 (2x-21) (x+4) Find the Unknown angle measure in the pair of similar trigne = AD angle Q angie B = angle P= 3 34 C B P R Find the unknow side length labeled with avarible Inthe given pair of similar triangee B 25 a= 15 a 21 b = A 20 C R Atree casts a shadow 35 f+long. At the same time, the Shadow cast by a vertical 7 - ft post is 5 ft long. Find the neight of the tree The tree's height is There are two smilar triangle in the diagram. Find the unknow measurement. 20= 120 R 60 240 R A.