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QveST [7]
3 years ago
11

Please solve all the questions!!! :) will mark brainliest

Mathematics
2 answers:
enot [183]3 years ago
8 0

Step-by-step explanation:

< A = 4x

< B = 3x - 3°

<C = 5x + 3°

Solving for x

< A +<B + <C = 180° {Being sum of angles of triangle }

4x + 3x - 3 ° + 5x + 3° = 180°

12x = 180°

x = 180° / 12

x = 15°

Measure of <A

= 4 * 15°

= 60°

Measure of < B

= 3 * 15° - 3°

= 42°

Measure of < C

= 5* 15° + 3°

= 78°

Hope it will help :)❤

iVinArrow [24]3 years ago
8 0

Answer:

solve for x = 15

Determine the measure of <A = 60

Determine the measure of <B = 42

Determine the measure of <C = 78

hope this helps :)

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salantis [7]

Step-by-step explanation:

When x = 0,

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In triangle ABC, line A.B.=CB Angle ABC equals 4X -3, and angle CAB equals X -3, what is angle ACB
Soloha48 [4]

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Step-by-step explanation:

In triangle ABC,

angle CAB = x-3

angle ABC = 4X-3

It is also given that AB=CB

We know that if two sides of any triangle are equal then corresponding sides must also be equal.

Hence

angle ACB = angle CAB

angle ACB = x-3    {Given that angle CAB = x-3 }

We know that sum of all three angles of a triangle is 180 degree so let's add given angles

angle ACB + angle CAB + angle ABC = 180

(x-3) + (x-3) + (4x-3) = 180

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Now plug value of x into

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Hence final answer is

∠ACB = 28.5


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