A triangle has an area of 20 cm2 and a height of 5 cm. How long id the base?
1 answer:
The base of given triangle is 8 cm.
Further explanation:
The area of triangle is calculated by using two methods
- Hero's formula
- Base and Height
Hero's formula requires all three sides of triangle while we can use only base and height in second formula.
Given
As the area of triangle and height are given, then
The base of given triangle is 8 cm.
Keywords: Area of triangle, base, height
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<u>Given</u>:
Given that in a game a player draws and replaces a card from a deck 2 times.
The possible outcomes and payouts are given.
We need to determine the expected value for someone playing the game.
<u>Expected value:</u>
The expected value for someone playing the game can be determined by
Simplifying the values, we have;
Dividing the terms, we get;
Adding, we have;
Thus, the expected value for someone playing the game is $8