The perimeter of a triangle is 14 cm. The second side is 5 cm less than the first side and the third side is 3 cm more than the second side. The first side of the triangle is unknown.
Answers
Answered by
1
Answer:
1st side = 7, 2nd side =2 and, 3rd side= 5
Step-by-step explanation:
let the first side be "x"
therefore the 2nd side = x-5
and thrid side = x-5+3 = x-2
Perimeter of the triangel = 14 cm
∴ x+ (x-5) + (x-2) = 14
3x -7 = 14
3x = 21
x =7
first side = 7cm, second side =2cm and, third side= 5cm
Answered by
8
Answer:
Answer:
1st side = 7, 2nd side =2 and, 3rd side= 5
Step-by-step explanation:
let the first side be "x"
therefore the 2nd side = x-5
and thrid side = x-5+3 = x-2
Perimeter of the triangel = 14 cm
∴ x+ (x-5) + (x-2) = 14
3x -7 = 14
3x = 21
x =7
first side = 7cm, second side =2cm and, third side= 5cm
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