Question

7. ABCD is a rhombus with ABC= 63° then ACD =_____
8. If x>0, y<0 then (x,y) lies in
____quadrant
9. The area of triangle is 12 cm2, its base is 6cm then its corresponding altitude is_
___cm.
10. Midpoint of the line segment joining (2, 3) and (6,-7) is___​

Answer 1

Answer:

ACD=180-63/2=58.5°

8) forth

9) 1/2*6*altitude=12

altitude=24/6=4cm

10)(2+6/2,3-7/2)

(4,-2)

Answer 2

Answer:

ACD=180-63/2 =585

8) forth