Need help to find the perimeter please!
2 answers:
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Answer:
90 cm, 180 cm, 240 cm
Step-by-step explanation:
Let the lengths of sides of the triangle be 3x, 6x and 8x
Hence, lengths of the sides of the triangle are 90 cm, 180 cm and 240 cm.
1) , and
. Subtracting this from the numerator gives a remainder of
, and
. Subtracting this from the previous remainder gives a new remainder of
This means that
2) , and
. Subtracting this from the numerator gives a remainder of
, and
. Subtracting this from the previous remainder gives a new remainder of
, and
. Subtracting this from the previous remainder gives a new remainder of
This means that
3) will be a factor of
if dividing the latter by
leaves a remainder of 0.
, and
. Subtracting this from the numerator gives a remainder of
, and
. Subtracting this from the previous remainder gives a new remainder of
, and
. Subtracting this from the previous remainder gives a new remainder of
and since the remainder is 0, is indeed a factor of
.