Question

Pls tell the answer to this

Answer 1

Answer:

10 cm....hope it helps......here

Pc =Pr +rc......1

and rc=br

therefore,pc =pr +br

similarly pa=pq+bq......2

from 1 and 2

perimeter =10cms

Answer 2

Answer:

A is the answer to the first question.

Step-by-step explanation:

This is the full question with answer choices:

A, B and C can do a work in 6, 8, 12 days respectively. B and C work together for 2 days and then A takes C's place. How long will it take to finish the work?

A. 2 days

B. 3 days

C. 4 days

D. 5 days

E. 6 days

Explanation in the picture

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