Answer:
b) 29π mm²
Step-by-step explanation:
2/5 + 2/4 = 8/20 + 10/20 = 18/20 = 9/10
Option b) and c) is correct, i.e. 2/3 and 0.66(line over 66)7
6/9 is a rational number.
similar ration number can be given as -
<h3>What is rational number?</h3>
Rational numbers are the numbers that can be structured in the form of the fraction of integers. Eg- 5/6, 2/3 etc.
From the option, by above definition 2/3, 0.66(line over 66)7 seems to be an equivalent rational numbers because
6/9=2/3= 0.66(line over 66)7.
Thus, Rational numbers 2/3, 0.66(line over 66)7 are equivalent to 6/9.
Learn more about Rational numbers here:
brainly.com/question/17450097
#SPJ1
Here, it is solved.
you only have to know:
The sum of the sides of a quadrilateral is equal to 360º.
Answer: A. 49.75
Explanation:
Add 30.50 and 19.75 to get 50.25
Subtract 100-50.25 to get 49.74
Hope it helped!
