Question

one of the acute angles of a right angled triangle is 55° find the other acute angle

Answer 1

the answer is 35
$55 + 90 = 145 \: and 180 - 145 = 35$

Answer 2

Answer:

the answer is 35

Explanation:

Let the height of 6th student be x.

Average = sum/total no.

Sum of heights of 6 students= Avg.× total no. of students

= 125×6

= 750.

now,

750 = 135+130+122+120+127+x

750=634+x

x= 750-634

x=116