Okay
So what you have to do
Is
What is it
That you do
Answer:
Length of DE is : 18√2 units
Step-by-step explanation:
The length of a side of a triangle is 36. A line parallel to that side divides the triangle into two parts of equal area. we have to find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.
Now, the two parts of triangle have equal area ∴ Area(ADE) = Area(BDEC)
In ΔABE and ΔABC,
∠A = ∠A (Common)
∠ABE = ∠ABC (Corresponding angles)
By AA similarity, ΔABE is similar to ΔABC.
Hence by area side proportionality theorem
Hence, length of DE is 18√2 units
Answer:
C. -7y+8
Step-by-step explanation:
If the total bill is $85, and you want to leave a 15% tip, then you can calculate it as follows:
85 * 15%
= 85 * 15/100
= 85 * 0.15
= 12.75
The amount that should be left as a tip is D. $12.75.
Pythagorean Theorem. 5^2+12^2=c^2.
25+144=c^2
169=c^2
sqrt169=13
13 units