Respuesta :

Answer:

Photo 1: (a) C

(b) A

(c) D

Photo 2: 12.0416cm

Photo 3: 15.5242cm

Step-by-step explanation:

Photo 1: (a) 6×4=24

(b) 6(5)+6=36

(c) 6×6=36

Photo 2: Using Pythagoras' Theorem,

Unknown side length= square root symbol [(8×8)+(9×9)]

= 12.0416cm (6sf)

Photo 3: Using Pythagoras' Theorem,

AC= square root symbol (AB^2+BC^2)

=square root symbol [(15×15)+(4×4)]

= 15.5242cm (6sf)