A triangle has vertices at (3,2),(3,6),(7,2) find the area of the triangle

Mathematics

1 answer:

yawa3891 [41]2 years ago

7 0

Answer:

8 square units

Step-by-step explanation:

The base is on a horizontal line. The points are 7-3 = 4 units apart.

The side perpendicular to the base is a vertical segment 6 -2 = 4 units long.

The area is ...

A = 1/2bh

A = 1/2(4 units)(4 units) = 8 units²

The area of the triangle is 8 square units.

It is effectively half of a square that is 4 units on a side. 1/2(4²) = 8.

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Tomtit [17]

Answer:

There are 40 musicians that are only marching band.

Step-by-step explanation:

Since we knot that there are 25 musicians that do both that means there is 60 - 25 = 35 musicians who do only jazz band. From his we can answer the question because....

100 = a + b + c

Where "a" is the number of musicians who go only to jazz, "b" is the number of people who do both, and "c" is the number of people that go only to the marching band. From here we can do this....

100 = a + b + c

c = 100 - a - b

Substitute the value we found outa and get.....

c = 100 - 35 - 25

c = 40

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