Question

Note: We demote the angles by 21, 22, 23,etc), and their respective measure
by mZ1. m/2, m/3, etc.)
The sum of the measures of the four angles of a gondrilateralis
You may arrive at this result in several other ways also​

Answer 1

Answer:

Correct option is

D

30.6cm

7.21+50+18.425=30.635

In additional sum must have equal no f decimal points as in the number with least digits after decimals

∴5.0→ no after decimal

⇒ answer should be rounded to 1 decimal place

sum=30.6.