Math, asked by dubeysaurabh928, 3 months ago

a. Draw two possible nets of a die.
b. The sum of three consecutive numbers is 54 Find the
numbers.
c. The sides of a triangle are in the ratio 4:7:9.If the
perimeter of the triangle is 400cm. Find the sides of the
triangle
of numhere are​

Answers

Answered by abhishekroy040580
1

b. let be numbers are x,x+1,x+2.

so, x+x+1+x+2=54

= 3x+3=54

= 3x=54-3

= 3x=51

=. x=51/3

=. x=17

so the three consecutive numbers are 17 , 18 and 19.

c. perimeter of triangle is 400cm

sides are 4:7:9 respectively

so let be sides are x

so, 4x+7x+9x=400

20x=400

x=400/20

x=20

so all three sides are respectively

= 80cm , 140cm , 180cm

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