All categories

2 years ago

10th grade geometry Select statements that are true about angles on diagram

Mathematics

1 answer:

Goshia [24]2 years ago

3 0

Answer:

B, C

Step-by-step explanation:

The only statements that must be true are ones that describe the markings on the diagram:

NO as an angle bisector

N is the vertex of a pair of congruent angles

_____

The only other fact that must be true is that segments on the left side of the diagram are proportional to those (corresponding) on the right. (This is a property of the angle bisector.) There is nothing that says the sides must be equal, or that the triangle is isosceles.

You might be interested in

Pls help me with this question and pls don't answer if you don't know. thank you,

polet [3.4K]

Answer:

I apologize if this was poorly explained. The explanation for each is below the angle.

Since these triangles are in a rectangle, The top and bottom triangles are congruent, and the left and right triangles are congruent. All 4 triangles are also Isosceles. (Two equal sides/angles)

m<1= 59

(Left and right triangles are congruent)

m<2=31

(Top and bottom triangles are congruent)

m<3= 59

(Directly across from the other 59)

m<4=31

(Each of the rectangles corner angles totals to 90 degrees, therefore making this angle 31 degrees.)

m<5=31

(Since the triangles are isosceles, this angle is also 31)

m<6= 59

(Since m<5 is 31, this angle is 59.)

m<7=118

{(Two other angles in the triangle) 31+31= 62 180-62= 118)}

m<8=62

{(Two other angles in the triangle)59+59= 118. 180-118= 62}

m<9=62

(This angle and m<8 are congruent.)

m<10=118

(This angle and m<7 are congruent.)

m<11=31

(Same reason as m<4)

I hope this helps!

8 0

3 years ago

What us the measure of the missing angle?

kow [346]

Answer:

None of them

Step-by-step explanation:

Because 30+135+45 add up to 210 then if you add 30, or 45 degrees it will be more than 180 degrees. If you subtract -15 from 210 you will get 195 which is still not right. So the best answer is none of the above

Hope this helps

8 0

3 years ago

The product of two numbers is 40. If one of the numbers is 8/15, what is the other number?

Harman [31]

If one number is 8/15, you take the difference which 7/15.

5 0

3 years ago

A tree is supported by HELP! a wire anchored in the ground 9 feet from its base. the wire is 1 foot longer than the height that

olga55 [171]

For a right triangle with legs legnth a and b and hyptonuse c
a^2+b^2=c^2
9 feet from base, that's one leg
wire is hypotnuse, it's 1 more than height on tree
c=b+1

so
9^2+b^2=(b+1)^2
81+b^2=b^2+2b+1
minus b^2+1 from both sides
80=2b
divide both sides by 2
40=b
c=b+1
c=40+1
c=41
legnth of wire is 41ft

7 0

3 years ago

Read 2 more answers

First answer is brainlyist

horsena [70]

Step-by-step explanation:

333333333333333333333333333333333333333333333333333333333333333333333333333

5 0

3 years ago