What are the angles of a triangle

Answers

Answer 1

Answer: The angles inside a triangle are called interior angles. The diagram below shows the interior and exterior angles of a triangle. The three interior angles in a triangle will always add up to 180°. At each corner the exterior and interior angles are on a straight line, so at each corner these two angles add up to 180°.

Answer 2

Answer:

━━━━━━━━━━━━━━━ ♡ ━━━━━━━━━━━━━━━

The (interior) angles of a triangle always add up to 180 degrees. To find the exterior angles of a triangle, subtract the interior triangle from 360 degrees.

The total degrees of any polygon is (n-2)×180 (n is the number of angles). 3-2 is 1 and 1 times 180 is 180. Therefore, the angles of a triangle always add up to 180 degrees.

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Multiply the binomials: (z 5)(z-7)

Answers

I hope this help you.

Find the value of the expression 4a to the fourth power - 2b squared +40 when a =2 and b=7

Answers

4a^4 -2b^2 +40
a=2
b=7
4(2)^4 -2(7)^2 +40
PEMDAS is what your gonna use to solve this you go from right to left

First is P which is parentheses which is none
second is E which stands for exponents
4(32)-2(49)+40
now MD multiply or divide
128-98+40
now add or subtract
30+40
last one
70 this is your answer i hope

If x = 2, find the value of 3x^3 - 3x - 2.

Answers

Answer:

Step-by-step explanation:

3x^3-3x-2

x=2

3(2)^3-3(2)-2

3×8-6-2

24-6-2

Hope it helps.

Please mark brainliest

Which of these is not part of an algebraic equation? A
an inequality sign
B
an expression
C
an equal sign
D
a variable

Answers

Answer:

A-an inequality sign

Step-by-step explanation:

inequality sign: greater then, less than, equal to.

expression: 2x + 3 no equal sign

equal sign: =

Variable: a letter in the equation such as n x 6=?

Hope this is correct.

A jewelry designer is making a pendant. The pendant will be a circular dis (center O) with a circular hold cut out of it, as shown. The radius of the disc is 35 millimeters. Find the area of the pendant. Use 3.14 for π and round to the nearest tenth

Answers

Answer:

2884.8 millimeters squared

Step-by-step explanation:

Given:

The radius of the disc is 35 millimeters, so the area of it is:

π $r^(2)$ = 3.14* $35^(2)$ = 3846.5

Then, we find out the area of the circular hold cut out of the bigger one, its radius is a haft of the radius of the bigger circle = 35/2 = 17.5

π $r^(2)$ = 3.14* $17.5^(2)$ =961.6

=> the area of the pendant = 3846.5 - 961.6 =2884.8 millimeters squared

Lucy has a hemisphere shaped goldfish pond in her backyard. The pond has a circumference of 11.9 feet . The pond has a population density of 3.6 cubic feet of water for each goldfish. How many goldfish are in Lucy's pond ?

Answers

40.38 my answer is 40.38 or 40 goldfish

Around 40.38 - 40 goldfish is your answer.

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Find the next term of the given sequence. 1.31, 2.54, 3.77, ... 4.90 5.00 5.10

Please help i need answers

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Owen’s grandmother put some money into his savings account on the day he was born. Today, Owen turns 18 years old, and he’s discovered that he has earned $225 in simple interest on his grandmother’s money. If the yearly interest rate was 5%, how much money did his grandmother deposit at the time of his birth?