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Elanso [62]
3 years ago
10

Which if the following are the two primary gasses found in the Earths atmosphere ...

Geography
1 answer:
Leokris [45]3 years ago
4 0
Nitrogen and oxygen are the two primary gasses found in the earths atmosphere
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It produces harmful gases which will pollute the air we breathe.

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How did scientist find out the different layers of the interior of the earth
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In 1990, Saddam Hussein invaded what country, claiming it was a historical province of Iraq?
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Read 2 more answers
Find the lateral area of this cone.
miv72 [106K]

Answer:

LA = 20π cm²

Explanation:

Given the following data;

Radius, r = 4 cm

Height = 3 cm

To find the lateral area (LA) of a cone;

First of all, we would determine the slant height by applying Pythagorean' theorem.

Hypotenuse² = opposite² + adjacent²

Where;

Hypotenuse is the slant height.

Opposite is the height of the cone.

Adjacent is the radius of the cone.

Substituting into the expression, we have;

l² = 3² + 4²

l² = 9 + 16

l² = 25

Taking the square root of both sides, we have;

l = √25

l = 5 cm

Next, we find the LA using the formula;

LA = πrl

Where;

r is the radius of the cone.

l is the slant height of the cone.

Substituting into the formula, we have;

LA = 4 * 5 * π

LA = 20π cm²

6 0
2 years ago
In δabc, the sum of the measures of ∠a and ∠b is 47º. what is the measure of ∠c?
Fantom [35]
The answer is: 133° .
___________________________________________
Let us assume you mean to write:  "Δ abc" .
___________________________________________
All angles in a triangle add up to 180 degrees; 
_______________________________________________________
so, if:  m∡a  +  m∡b  =  47 ;
______________________________
then m∡c = 180 <span>−</span> 47 = 133° .
_______________________________________________________
7 0
3 years ago
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