Question

in a parallelogram ABCD if angle Dab is equal to 75 degree and Angle DBC is equal to 60 degrees then angle bdc equal to (ntse)

Answer 1

Hey mate...here is ur ans...☺☺✌

We know that in a parallelogrm the sum of adjacent and opposite angles = 180°

So <DAB + <DBC + <ABD = 180°
75° + 60° + <ABD = 180
<ABD = 180 - 135
<ABD = 45°

Now, ABC = 45° + 60° = 105°

Again, <ABC + <BCD = 180°
105° + <BCD = 180°
<BCD = 180°-105°
<BCD = 75°

Now In triangle BDC
<BCD + <BDC + <DBC = 180°
75° + 60° + <BDC = 180°
<BDC = 180°-135°
<BDC = 45°

✔So <BDC = 45°

Hope it helps u...thanks...☺☺✌