Question

Please answer......
1.perimeter of triangle
2.Area of rhombus
3.Area of quadrilateral
4.Area of trapezium
5.Area of equilateral triangle
6.Area of scalane triangle
7.Area of cuboid
8.volume of cuboid
9.Area of cube
10.volume of cube
11.volume of sphere
12.Area of sphere
13.Area of cone​

Answer 1

...hope it helps...........

Answer 2

1.p=a+b+c

2.pa/2

3.sum of 4 sides multiple by diagnol1 and diagnol2

4.a=a+b/2multiplyed by height

5.a=√3/4a sq.

6.a=h×b/2

7.2LH+2WH+2LW

8.l×b×h

9.6a sq.

10.v=a cube

11.v=4/3πr sq.

12.a=4πr sq.

13.a=πr(r+√h sq.√r sq.