Question

1. Simplify:
(i) (2-1-3-1)- + (6-1-8-')-1
- 2
- 2
(iv)
(0*+0 -0 *
3
(2×-1-3×-1)×-1+(6×-1-8×-1)
​

Answer 1

Answer:

-2,-2

Step-by-step explanation:

Please mark me as a Brsinist

Answer 2

(i) Let the points (- 1, – 2), (1, 0), ( – 1, 2), and ( – 3, 0) be representing the vertices A, B, C, and D of the given quadrilateral respectively.

Side length = AB = BC = CD = DA = 2√2

Diagonal Measure = AC = BD = 4

Therefore, the given points are the vertices of a square.