2 years ago

Someone help me with thiss

Mathematics

2 answers:

Airida [17]2 years ago

8 0

Answer:

Step-by-step explanation:

All angles in the triangle will equal to 180

Angle A = 180-98-46

A=36

Vikki [24]2 years ago

8 0

Answer:

A=36

Step-by-step explanation:

A=180-(b+c)

=180-144

=36

since the sum of the triangle angles is 180

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X+2y=12 <br> 3x-10y = 0<br><br> y=?<br> x=?

sergeinik [125]

$~~x+2y=12 \\ ~~3x-10y=0 \\
~------ \\~ -3/x+2y=12 \\ ~~~~~~3x-10y=0 \\ ------- \\ -3x-6y=-36 \\ ~~~~3x-10y=0 \\ +------- \\ ~~~~-16y=-36 \\ \\ ~~~~y= \frac{36}{16}\rightarrow \boxed{\frac{9}{4}} \\ \\$
$x+2. \frac{9}{4} =12 \\ \\ x+ \frac{18}{4} =12 \\ \\ \frac{4x+18}{4} =12 \\ \\ 4x+18=48 \\ 4x=30 \\ \\ x=\boxed{\frac{15}{2}}$

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3 years ago

Read 2 more answers

What is the area of this triangle?

Ludmilka [50]

Answer:

area = 1/2 *base* height

= 1/2 * 12* 9

= 54 cm^2

right triangle...

Hope this helps...

3 0