Question

① One angle of a parallelogram is 90. Whate oft the order three angles?​

Answer 1

=360° - 90° ( sum of angle of parellelogram is 360°)

= 270°

Answer 2

Answer:

they are also 90 degree (360-90)=270

Step-by-step explanation:

because the sum of angle of parallelogram is 360 degree