Answer:

1. x = 5

y = 5

2. x = 9

y = 11

z = 73

3. x = 7

y = 4

z = 5

4.

PERIMETER OF ∆DEF

P = a + b + c

=5 + 8 + 9

= 22

PERIMETER OF ∆MAR

P = a + b + c

=21 + 19 + 13

= 53

Step-by-step explanation:

FOLLOW MO NA DIN AKO.