Question

A string is cut into 3 pieces A, B and C in the ratio 1:2:5. If B is 12 cm long, find:
a) the length of A
b) the length of C​

Answer 1

$\huge\underline\bold\color{red}\mathfrak{Answer}$

1:2 = A:B

1:2 = A:12

A = 12/2

A = 6 cm

2:5 = B:C

2:5 = 12:C

C = 5×12/2

C = 30 cm

#WMK

Answer 2

Answer:

if measure is 80 cm

Step-by-step explanation:

Ratio 1+2+5 = 8

Therefore x=80/8 =10

Substitute Values:

Length A = 1×10=10

Length C = 5×10=50

PLS Brainliest