Question

Answer the two questions with step by step explanations:
1. Find the perimeter
a. A scalene triangle with sides 7m,8m and 10m.
b. An isosceles triangle with equal sides 10cm each and third side is 7cm.
c. An equilateral triangle with side 6cm.
2. The scalene triangle has 40m as it's perimeter. What is the length of its side? Also find its area.
I need only step by step explanations.​

Answer 1

Answer

1 i 25 m

ii 27m

iii 18 m

Step-by-step explanation:

perimeter of the triangle is sum of all of the side

therefore

i 7m+8m+10m = 25 m

ii 10+10+7=27 m

iii 6+6+6= 18m