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AnnyKZ [126]
3 years ago
9

one of the angles of a triangle is 80 and other two angles are equal find the measure of each of the equal angles​

Mathematics
1 answer:
mina [271]3 years ago
7 0

Answer:

50°

Step-by-step explanation:

Let measure of one equal side be x.

80° +x +x = 180°[ sum of interior angle of triangle is 180°]

= 2x = 180° -80°

= x = 100°/2

=x = 50°

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STatiana [176]
90+80+90+x=360
260+x=360
x=100
4 0
4 years ago
What is the volume of the rectangular prism? :3
White raven [17]

Answer:

729/8

Step-by-step explanation:

4 1/2 * 4 1/2 * 4 1/2 = (9/2)^3 = 729/8

4 0
4 years ago
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Plz help! ASAP! What is the expression shown below
astra-53 [7]

we are given

\frac{1}{2} (\frac{3}{2} x+6x+1)-3x

step-1: Simplify expression inside parenthesis

we will combine like terms

so, firstly we will take common denominator

\frac{1}{2} (\frac{3}{2} x+\frac{2*6}{1*2}x+1)-3x

\frac{1}{2} (\frac{3x+12x}{2} +1)-3x

\frac{1}{2} (\frac{15x}{2} +1)-3x

step-2: Distribute 1/2 inside

=\frac{1}{2} *\frac{15x}{2} +1*\frac{1}{2}-3x

=\frac{15x}{4} +\frac{1}{2} -3x

step-3: Combine like terms

=\frac{15x}{4}+3x +\frac{1}{2}

We can find common denominator

=\frac{15x}{4}-\frac{4*3x}{4*1} +\frac{1}{2}

=\frac{15x}{4}-\frac{12x}{4} +\frac{1}{2}

=\frac{15x-12x}{4} +\frac{1}{2}

=\frac{3x}{4} +\frac{1}{2}

we can also write it as in mixed form

=\frac{3}{4}x +\frac{1}{2}

so, we will get

\frac{1}{2} (\frac{3}{2} x+6x+1)-3x=\frac{3}{4}x +\frac{1}{2}

option-C.............Answer

5 0
4 years ago
Simplify (10-10i)/(-5i)
Phoenix [80]

Answer:

<h2>2 + 2i</h2>

Step-by-step explanation:

i-\text{imaginary\ unit}\\\\i=\sqrt{-1}\to i^2=-1\\\\=====================

\dfrac{10-10i}{-5i}=\dfrac{10}{-5i}+\dfrac{-10i}{-5i}=\dfrac{(10)(i)}{(-5i)(i)}+2=\dfrac{10i}{(-5)(i^2)}+2\\\\=\dfrac{10i}{(-5)(-1)}+2=\dfrac{10i}{5}+1=2i+2=2+2i

4 0
3 years ago
How many triangles can be constructed with side measurements 6 cm, 15 cm, 20 cm?
Lynna [10]
Only one and only one triangle could be constructed with 3 defined sides length. Answer B 
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