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3 years ago

What is the first step in constructing the angle bisector of angle A?

Mathematics

2 answers:

Firdavs [7]3 years ago

4 0

Answer:

Step-by-step explanation:

from point A, draw an arc that intersects both sides of the angle

dezoksy [38]3 years ago

4 0

From points B and C,draw equal arcs that connect at point D.

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koban [17]

Answer:

The X intercepts= 1 and -1

The y= -1

Step-by-step explanation:

It's where the line meets the axis.

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3 years ago

slega [8]

Answer:

Step-by-step explanation:

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2 years ago

If the original quantity is 15 and the new quantity is 19, estimate the percent change.

Eddi Din [679]

15 to 19 was about a 27% in increase

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2 years ago

If every student got one vote, but there were 25 students absent on the day of the vote, how many

kherson [118]

Answer:

Not enough information.

Step-by-step explanation:

The 25 students absent is irrelevant. We still don't know the total number of students at Riverside Elementary School.

3 0

4 years ago

△ABC

mixas84 [53]

Answer:

The approximate perimeter of △ABC is 12.34 units

Step-by-step explanation:

we know that

The perimeter of a triangle is the sum of its three length sides

$P=AB+BC+AC$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

step 1

Find the distance AB

we have

A(3,4), B(−1,1)

substitute the values

$d=\sqrt{(1-4)^{2}+(-1-3)^{2}}$

$d=\sqrt{(-3)^{2}+(-4)^{2}}$

$d=\sqrt{25}$

$d_A_B=5\ units$

step 2

Find the distance BC

we have

B(−1,1),C(−2,5)

substitute the values

$d=\sqrt{(5-1)^{2}+(-2+1)^{2}}$

$d=\sqrt{(4)^{2}+(-1)^{2}}$

$d=\sqrt{5}$

$d_B_C=2.24\ units$

step 3

Find the distance AC

we have

A(3,4),C(−2,5)

substitute the values

$d=\sqrt{(5-4)^{2}+(-2-3)^{2}}$

$d=\sqrt{(1)^{2}+(-5)^{2}}$

$d=\sqrt{26}$

$d_A_C=5.10\ units$

step 4

Find the perimeter

$P=5+2.24+5.10=12.34\ units$

4 0

3 years ago