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blondinia [14]
3 years ago
13

Plz join the link belo

Mathematics
2 answers:
ZanzabumX [31]3 years ago
7 0

Answer:

Hopefully you dont get mad i answered for the points

Step-by-step explanation:

DerKrebs [107]3 years ago
5 0
What link? But I also answered for point too...
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Suppose ΔDEF has an exterior angle at vertex D. The measure of the exterior angle is (8x−2)º, m∠E=(3x−8)°, and m∠F=(4x+13)°. Wha
miv72 [106K]

The measure of the exterior angle at vertex D is: D. 54°

<em><u>Recall:</u></em>

  • The exterior angle theorem of a triangle states that the measure of an exterior angle equals the sum of the measures of two opposite interior angles of the triangle.

<em><u>Thus:</u></em>

In ΔDEF, (8x−2)º is an exterior angle at vertex D.

m∠E = (3x−8)° (interior angle)

m∠F = (4x+13)° (interior angle)

<em>Therefore:</em>

(8x−2)º = (3x−8)° + (4x+13)°

  • Solve for x

8x - 2 = 3x - 8 + 4x + 13

  • Combine like terms

8x - 2 = 7x + 5

8x - 7x = 2 + 5

x = 7

Exterior angle at vertex D = (8x−2)º

  • Plug in the value of x

= 8(7) - 2

= 54º (option D)

Learn more about exterior angle theorem on:

brainly.com/question/24756010

7 0
3 years ago
2 more no wayyy Ok guys ik that this isn't a part of academic but i wanna say a story ... since i had 15 subs ive always wanted
alexdok [17]

Answer:

I'll check out your channel!

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3 years ago
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A builder had been asked to lay an octagonal patio using square paving slabs. To do this, he cuts some of the bricks in half dow
Orlov [11]
Assuming you want an expression for the possible total area of the patio: if "completed" would be a rectangle of dimensions n, m: each must be >=3 to allow for octagonal corners. But each of the 4 corners must be missing, that's diagonals comprising (1/2)a^2, (1/2)b^2, (1/2)c^2, and (1/2)d^2, where a,b,c, and d must be variously limited and co-limited so as to allow at least 1 linear side of the original rectangle to be exposed. So A = (n*m)-(1/2)a^2-(1/2)b^2-(1/2)c^2-(1/2)d^2 as an expression.
Now, imagine replicating your possible (potentially irregular) octagons onto a plane and juxtaposing them so as to create a paved network. What geometric properties might such a network have? You now have a miniscule idea what nature does with silicate networked minerals, except that takes place in 3-D, with tetrahedra of SiO4 .
7 0
3 years ago
Write an expression using all six trigonometric functions such that the value of the expression is 3
nlexa [21]
Take Sin of 5 and subtract Cos 2
Sin 5 Cos -2
5-2=3

5x+3=3

√x=3

2x+5y+(1)z=3
3 0
4 years ago
A farmer had 421 pumpkins.She sells 75 pumpkins at the market.How many pumpkins does she have left??
Greeley [361]
421-75= 346 bam thats the answer!
6 0
3 years ago
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