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DerKrebs [107]
2 years ago
7

in an isosceles triangle, the perimeter is 75 cm and one of the sides is 25 cm. Find all its sides. can you find all angles of t

he triangles?
Mathematics
1 answer:
stepan [7]2 years ago
8 0

Answer:

all angles of the triangles is 60

Step-by-step explanation:

the perimeter = 2*side of an isosceles triangle + bottom edge

----> bottom edge = the perimeter - 2*side of an isosceles triangle  =25

----> This is an equilateral triangle ----> all angles of the triangles is 60

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What is the circumference of the circle that circumscribes a triangle with side lengths 3, 4, and 5?
djyliett [7]

Answer:

  5π, about 15.708 units

Step-by-step explanation:

A 3-4-5 triangle is a right triangle. When a circle circumscribes a right triangle, the hypotenuse is the diameter of the circle. The circumference of a circle is given by ...

  C = πd

For a diameter of 5 units, the circumference is ...

  C = π(5) = 5π = 15.708 . . . units

_____

<em>Additional comment</em>

The (3, 4, 5) triple is one of the first Pythagorean triples you run across. It is the smallest integer triple, and the only primitive triple with values in an arithmetic sequence. You can show this is a Pythagorean triple by ...

 3² + 4² = 9 +16 = 25 = 5²

That is, these numbers satisfy the Pythagorean theorem relation for sides of a right triangle.

6 0
3 years ago
Angie has $1,032 in her savings account. If the bank pays 3.5% simple interest on savings, how much does she earn in one year?​
aleksandr82 [10.1K]
4644. 1032x4.5 4644 Is how much money she make in a year
4 0
3 years ago
Pls can I have the workings too​
KengaRu [80]

Answer:

\frac{(3-2a)}{a^2}

Step-by-step explanation:

Given expression is,

\frac{3}{a^2}- \frac{2}{a}

First equalize the denominators of the fractions,

\frac{3}{a^2}-\frac{2a}{a^2}

Now combine the fraction as a single fraction,

\frac{(3-2a)}{a^2}

Since, we can not solve this fraction further, this will be simplified form of the given expression.

3 0
3 years ago
19/100+7/10 wich fraction can be used in place of 7/10 to find the value of the expression​
Dimas [21]

Answer:

70/100.

Step-by-step explanation:

When adding fractions, you need to find a common denominator.

This just means that the numbers at the bottom of both fractions you are adding must be the same.

So for 19/100 + 1/10, you need to match the two denominators (bottom numbers).

To do this, you need to multiply 10 by 10 to get 100.

What you do to the bottom, you must always do to the top as well.

So multiply 7 by 10 and get 70.

70/100 will replace 7/10.

Now you can add fractions because the bottom numbers are the same.

4 0
3 years ago
PLEASE HELP ME!!!!!!!
guajiro [1.7K]
The cooler measurement should be measured in cm cubed, because you are finding the volume, which is three dimensional. The volume of the figure is 180 cm cubed. If you multiply the width, length, and height of the top object you get 36. When you add that to the volume of the bottom one (144) you get 180 cm cubed.
3 0
3 years ago
Read 2 more answers
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