lunamoon9782
Answered

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i need to know what d=

I Need To Know What D class=

Sagot :

charlief22

Answer:

d = 30

Step-by-step explanation:

All angles in a triangle must add up to 180° so:

35 + 55 + 3d = 180

Step 1 - Simplify:

90 + 3d = 180

Step 2 - Subtract 90 from both sides:

90 + 3d - 90 = 180 - 90

3d = 90

Step 3 - Divide both sides by 3:

[tex]\frac{3d}{3} = \frac{90}{3} \\d = 30[/tex]

Hope this helps!

Hi1315

Answer:

[tex]d = 30 \degree[/tex]

Step-by-step explanation:

Sum of the interior angles in a triangle is added up to 180°

There fore,

[tex]35 + 55 + 3d = 180 \\9 0 + 3d = 180 \\ 3d = 180 - 90 \\ 3d = 90 \\ \frac{3d}{3} = \frac{90}{3} \\ d = 30[/tex]

So,

[tex]3d \\ 3 \times 30 \\ 90 \degree[/tex]

Hope this helps you

Let me know if you have any other questions :-)

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