Question

angled.
[Hint. Let ŁA < 2B + 20
Similarly, 4B < 90° and 2
b) One angle of a triangle is
of this angle? What typ
na 44BC. if 32A = 42B
B.
Hint. Let 32A=42B=640
The given figures are dre
(D) DAB + LABC +2B
ii) F4B + 2ABC +
1) In fig (1). ABC is ri
or <1-20°= 180°
= = 1800-20° = 100°
EXERCISE 11 (A)
(a) ABAD.
ii) Find the lettered an
E
B
24BC=909. ZODE = 90
Vame the triangles that are :
D) isosceles.
(in) right angled
() equilateral
(iv) right angled and isosceles.
[Hint. In 2ABC
Now. In ADAC
& In the given tisure D 80830d
Now DECand transversal curs them at D and respectively
[2=130° found in (D]
Again. De and transversal Cuts them at Eand respectively.
1. In the figure, drawn at the right 4B = BCACEAE, CE = AE AF = EF
COMPOSITE MATHEMATICS - 7​

Answer 1

Answer:

gagsgsgsgsgshgplhclhxtkxkgzjgzjgskgxmgcclvlu

Answer 2

2'9,*56@$'5599=689--99