Question

FB plz plz plz plz solve plzpzlzpzlpzlzpzlzp​

Answer 1

answer:

5)ax+by+c=0

6)3x+4y=k

3×3+0=k

9=k

7)angle R =angle Q

2×angle R=180-80(sum of angles of a triangle =180)

=100

angle R=100/2

=50

8)angle C=180-angle A+ angle B(sum of angles of a triangle =180)

angle C=180- 120

=60

9)rhombus

10)PQ=96/4

=24