# 1
Altitude of a triangle.
# 2
Median of a triangle.
Altitude--
An altitude is a line that passes through a vertex and it intersects the opposite side of that vertex at 90 degree i.e. the line is perpendicular to the opposite side.
The point where the three altitudes of a triangle meet is called the Orthocenter of the triangle.
Median of a triangle--
The median of the triangle is the line which passes through a vertex and meets the midpoint of the opposite side of the triangle.
The point where the three medians of a triangle meet is called the Centroid of the triangle.
Answer:
Emil's back pack weigh now .
Step-by-step explanation:
Given:
Total Weight of backpack =
can be Rewritten as
Weight of backpack =
Weight of Book 1 =
Weight of Book 2 =
We need to find weight of back pack after removing books.
Solution:
Now we can say that;
weight of back pack after removing books can be calculated by Subtracting Weight of Book 1 and Weight of Book 2 from Total Weight of backpack.
framing in equation form we get;
weight of back pack after removing books =
Now to solve the equation we will first make the denominator common using LCM.
weight of back pack after removing books =
Now the denominators are common so we will solve the numerator.
weight of back pack after removing books =
Hence Emil's back pack weigh now .
Answer:
it might be 2,-2
Step-by-step explanation:
P = 2L + 2w
344 = 2L + 2·74
344 - 148 = 2L
2L = 196
L = 196 : 2
L = 98 yards