Triangles a and b are right angled. Show that the two shorter sides in triangle a have the same length as the two shorter sides in triangle B. x base id 9cm and side is 15cm y base id 9cm and side 12cm ITS ON MATHSWATCH PLS HELP

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

why can't you?

step-by-step explanation:

22 dimes and 9 nickels

step-by-step explanation: