Question

1.12,27,4,9 are in proportion.
2.the circumference of a circle whose diameter 7 cm is 22 CM.
3.a solution of the equation 2k+14=16 is k=2.
4.the area of a square plot is 1600m2.the side of the plot is 40 CM.
5.5.76 and 17.29 are like decimal
These are true or false
and this is who am I
1. I am alphabet in an algebraic expression who I am
2. I am a closed region enclosed by four equal sides and one of my interior angles is 90 '.who I am
3. I am a mathematical expression I have consists as well as variable . who I am
4.if you take away from 50, you will get back from 50 who I am
5. I am a closed region and I don't have vortices. who I am




please answer it is urgent ​

Answer 1

Answer:

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