Answer:
84mm
Step-by-step explanation:
Formula of a triangle:
A =bh/2
A=14(12)/2
A=168/2
A=84mm
Answer:
<h2>line AB is a chord</h2>
Step-by-step explanation:
Any line that segments a circle and joins two points at the circumference of a circle is called a chord.
line AB is a chord
While
line EC is a diameter
line DF is a radius
In matrix form, the system is

First find the eigenvalues of the coefficient matrix (call it
).


Find the corresponding eigenvector for each eigenvalue:



Then the system has general solution

or

Given that
and
, we have

so that the system has particular solution

Answer:
abcdefghijklmnopqrstuvwxy and z
Step-by-step explanation:
Since 1/3 of x is 12, it can also be expressed as x/3 = 12, and we can use multiplication to find x
12 x 3 = 36
1/2 of 36 is 18