25) The area of a trapezium is 330cm2 and the length of one of the parallel sides is 14 cm. If its height is 15 cm find the length of
the other parallel side.​

Answer

30

steps

area of trapizium is a+b/2 * h.

we have a=14, h=15, area=330 and we need to find b

so, 14+b/2 * 15=330

we divide 15 on both sides so 14+b/2=22

we multiple 2 on both sides so 14+b=44

b=44-14

b=30

Step-by-step explanation:

Grgrwrg

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

system of linear equation

step-by-step explanation:

as given in the data

a= 20 , b= -12

let us suppose that it is a straight line equation

now we know the formula for the system of linear equation

b= ma + c )

here m is slope of a straight line which is equal to formula

m=   (ii)

and here c is a constant

now putting the value of a and b in equation (ii)

m=

m=

putting the value of a,b and m in equation (i) gives us

-12 = + c

-12=-12 + c

adding 12 to both sides

-12 +12 = -12 +12 +c

0 =c

or c=0

as the value of the constant is zero which gives us that it is a linear equation and this order pair satisfies the system of linear equations.