Answer:
The Value of x is 10.
Step-by-step explanation:
Consider ABCD is a Parallelogram where
∠BCA = 43°
∠CBA = 98°
∠ACD = (2x+9)
To Find:
x = ?
Solution:
Triangle sum property:
In a Triangle sum of the measures of all the angles of a triangle is 180°.
In ΔABC
Now CD || BA .......opposite sides of Parallelogram is parallel
.........Alternate Angles are equal
Substituting the values we get
The Value of x is 10.
Answer:
See attached file
Step-by-step explanation:
There are box-and-whisker plot makers online, but here's one done for you.
Answer:
<h2>20 cm.</h2>Step-by-step explanation:
We know that the permiter is defined as
Where is the longest side,
is the smallest and
is the middle side.
If then,
, where we need to find an expression for
using the law of cosines.
Replacing all expression, the perimeter is
Using a calculator, the perimeter is 20 units centimeters.