A menu in a restaurant allows you to pick some items from Column A and some from Column B. Column A has 24 items. Column B has 1
1 answer:
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u = 2 x + 1, d u = 2 d x, d x = d u / 2
- 9 / ( 2 + 1 )² - ( - 9 / ( 0 + 1 )² =
- 9 / 9 + 9 = - 1 + 9 = 8
Triangle is attached below
The triangle is 12 by 10 by 8
Perimeter:
To find perimeter we add all the sides of the triangle
Perimeter P = 12 + 10 + 8 = 30 units
Semi perimeter:
Semi perimeter is half of its perimeter
We know P = 30
Semi perimeter s= =
= 15 units
Area:
If we know the sides of the triangle then we use Heron's formula to find the area of the triangle
Where s= semi perimeter
a,b,c are the sides of the triangle
s= 15 units
a= 12 units
b= 10 units
c= 8 units
A= 39.7 square units
