When finding the area of a triangle, does it matter where the altitude is located?

When you need to find the altitude of a triangle, you should consider the concept of altitude

Altitude = The shortest distance from a vertex to its opposite side.

Therefore, the triangle will have three different heights (one from each side of the triangle). When using the formula for the area of a triangle:

It does not really matter what height you use. However, the only way to know what is the right altitude to use is with trigonometry.

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step-by-step explanation:

answer:

total cost for tiles and paints is $924.  

step-by-step explanation:

we have been given that a community hall is in the shape of a cuboid. the hall is 40m long 15m high and 3m wide.

the paint will be required for 4 walls and ceiling.

let us find area of walls and ceiling.

therefore, the area of walls and ceiling is 1410 square meters.

given: cost for 10 litre of paint is $10 and 10 litre paint covers 25 square meter. therefore,

therefore, the total painting cost is $564.

tiles will be required for floor. let us find the area of floor.

given: 1m squared floor tiles costs $3. so,

therefore, the total tiles cost is $360.

now let us find combined total cost of tiles and paint.

therefore, the combined total cost of tiles and paint is $924.