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3 years ago

If one of the angles of a triangle is 130 degree then the angle between the bisectors of the other two angles can be

Mathematics

1 answer:

Viefleur [7K]3 years ago

8 0

Answer: D) 155

Step-by-step explanation:

let <A, <B,<C are three angles in a triangle.

sum of the three angles in a triangle is 180degree.

<A+<B+<C=180

130+<B+<C=180 since one angle is given

<B+<C =180-130

<B+<C=50

(<B+<C)/2=25----(1)after bisecting sum of the angles

required angle =180-25=155

d is correct answer

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4vir4ik [10]

96
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8 0

3 years ago

Find the value of x. help with geometry pls

Ivan

Answer:

Find the value of x:-

To find Y, use Pythagorean theorem:- $c^{2} =a^{2} +b^{2}$

$(2.1)^{2} =y^{2} +(1.4)^{2}$

$2.1^{2}=4.41$

$1.4^{2} =1.96$

$4.41=y^{2} +1.96$

subtract 1.96 from both sides

$2.45=y^{2}$

$y=1.5652$

Now, to find x:-

$x=y+y$

$= 1.5632+1.5652$

$x=3.1 \: ft$

~OAmalOHopeO

6 0

2 years ago

Take away 0 from any number tell the rule you discovered

frozen [14]

This is the fundamental zero additive rule
x - 0 = x
which means that for the set of real numbers, there exist a number such that if added (or subtracted) from any other will not affect such number.

8 0

2 years ago

Find missing angles

yKpoI14uk [10]

Hey

The value of X is 35°

X and 35° are vertically opposite angles.

Vertically opposite angles are always equal.

Hope it helps

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8 0

3 years ago

A is (4,15) and b is (8,1) what is the midpoint of AB?

antoniya [11.8K]

Answer:

(6,8)

Step-by-step explanation:

midpoint=(x1+x2)÷2,(y1+y2)÷2

a(4,15) b(8,1)

x=4+8=12÷2=6

y=15+1=16÷2=8

Answer=(6,8)

8 0

2 years ago