a) ▀ABCD ∠A=60,∠B=120,∠C=120,∠D=90
b) ▀PQRS ∠A=90,∠B=90,∠C=90,∠D=90
c) ▀LMNO ∠A=90,∠B=150,∠C=60,∠D=60
d) ▀EFGH ∠A=100,∠B=20,∠C=120,∠D=120
Which of the following is an invalid quadrilateral?
-
answerhappygod
- Site Admin
- Posts: 899604
- Joined: Mon Aug 02, 2021 8:13 am
Which of the following is an invalid quadrilateral?
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!