Answered

The base of a triangle is 21cm. if the triangle is enlarged in the ratio 3:7, how long is the base of the new triangle?

Sagot :

Harutotskiviz

Answer:

49 cm is the base of the new triangle

Step-by-step explanation:

21:n = 3:7

[tex] \frac{21}{n} = \frac{3}{7} [/tex]

divide 21 in 3, (21÷3=7)

7 multiply by 7, (7×7=49)