Question

3) y - 5 = 0 is :
(i) perpendicular to the line 2x – y + 7 = 0
(ii) parallel to it.
16. The vertices of a triangle ABC are A (0,5),
B (-1, -2) and C (11, 7). Write down the
equation of BC. Find :
(i) the equation of line through A and
perpendicular to BC.
(ii) the co-ordinates of the point P, where the
perpendicular through A, as obtained in
(i), meets BC.
7. From the given figure, find :
у​

Answer 1

Answer:

Glaciers are melting, sea levels are rising, cloud forests are dying, and wildlife is scrambling to keep pace. It has become clear that humans have caused most of the past century's warming by releasing heat-trapping gases as we power our modern lives. Called greenhouse gases, their levels are higher now than at any time in the last 800,000 years.