Math worksheet on parallel lines and triangles, asking students to find angle values in a triangle diagram.
A math worksheet titled "Parallel Lines and Triangles" featuring Exercise 5E, which asks students to find the values of marked angles a° and b° in a triangle diagram. The worksheet includes a list of possible angle values: 70°, 90°, 60°, 70°, 105°, 52°, 20°, 78°, 105°, 110°. The image is from Mathematics Book 1, page 117, and includes a "LIVEWORKSHEETS" logo.