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Page 68 of the second volume of seventh grade mathematics
5. Solution: ∫AB parallel CD, ∠ A = 40.

∴∠ 1=∠A=40

Make EF parallel to AB

∫EF parallel AB

∴∠EFA=∠A=40

Ef parallel CD

∠∠D = 45

∴∠DFE=∠D=45

∴∠2=∠DFE+∠EFA=95