please give this in full process and when anybody give the answer. i will mark you as brainliest answer.
Answers
Answer:
Q3) 6.8 cm
Q4) 6.1 cm
Step-by-step explanation:
Q3) Perimeter of triangle-Sum of two sides= Third side
(20-13.2)cm= Third side
Third Side= 6.8cm
Q4) Each side= Perimeter of equilateral triangle÷3
Each side= (18.3÷3)cm
Each side= 6.1cm
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Answer:
3). the lenght of the third side if the triangle is 6.8 cm
4). each side of a equilateral triangle is 6.1 cm
process
3) the perimeter of the triangle =20 cm
the length of 1st side = 4.2cm
the length of 2nd side = 9cm
so, if we add the both sides we will get 13.2 . so we have to subtract the sum of the 2 sides with perimeter of triangle
13.2 - 20 = 6.8 cm
hence, the third side of the triangle = 6.8cm
process of 4 question
4) the perimeter of the equilateral triangle = 18.3 . so , we have to divide 18.3 by 6
answer = 6.1