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Dima020 [189]
3 years ago
15

Use the net to find the surface area of the regular pyramid

Mathematics
1 answer:
Alja [10]3 years ago
8 0

Answer:

151.9 if the side length of the pentagon/ base of each triangle is 6 m

Step-by-step explanation:

if the side length of the pentagon/ base of each triangle is 6 m then  it is a pretty simple question, we just need to add the surface area of the base pentagon and each triangle.


We have the area of the base, so we just need the triangles.  The area of a triangle is .5bh, where the base of a triangle here is one side of the pentagon and the height is that indicated red 6. so that means one triangle has an area of .5*6*6 or 18.  There are 5 triangles total so that means that with all the triangles there is an area of 90.  Adding that to 61.9 gets us 151.9.  let me know if you need any more help.  

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Likurg_2 [28]
The answer is 0.583, and the 3 has a bar notation


Hope this helped

btw i also do k12
4 0
2 years ago
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boyakko [2]

Answer:

Add the two angles: 43° + 47° = 90°.

Step-by-step explanation:

A right triangle has an angle that equals 90°. Complementary angles equal 90°. Therefore, if you add these two angles, you will know whether or not △ABC is a right triangle. Triangle △ABC is broken up into two angles, m∠ABD and m∠DBC. When the measures m∠ABD and m∠DBC are added together, they equal 90°, and thus, form a complementary angle.

Hope this helps,

♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥

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3 years ago
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Isreal has 575779 ducks and tyier has 585869698 ducks how many ducks do they have in all
sergejj [24]
We know that <span>Isreal has 575779 ducks and Tyier has 585869698 ducks . To find how many they have in total we have to add them. 
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575779+585869698=586445477 
4 0
3 years ago
Round 8.77 to the nearest whole number
adell [148]
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4 0
2 years ago
1/7(x+21)=-6<br> answer ?
Talja [164]
(1/7) Multiplied By x is 1/7x And (1/7) Multplied By Positive 21 is 3. So It Will Then Change To 1/7x + 3 = -6.
Subtract 3 From Both Sides. Then The Equation Changes To 1/7x = -9
Then Since (1/7) Basically Means To Divide You Would Multiply By 7 On Both Sides And Then x Would Equal -63!(:
Then Can Plug In -63 Where x Is To Check Your Work! Hope I Helped!
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3 years ago
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