Question

Need equation for this question Thanks in advance​

Answer 1

Answer:

∵ ∠75° and ∠a are corresponding angles

∴ m∠a=75°

∵ ∠a and ∠b are vertically opposite angles

∴ m∠a=m∠b

∴m∠b=75°

∵ ∠c and ∠b are co-interior angles (Or you can say "interior angles on the same side of the transversal")

∴ m∠c=180-m∠b

   =m∠c=180-75

   =m∠c=105°

∵ ∠c and ∠d are also co-interior angles (Or you can say "interior angles on the same side of the transversal")

∴ m∠d=180-m∠c

   m∠d=180-105

   m∠d=75°

(m means measurement)

(∵means since and ∴means therefore)