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2 years ago

Which diagram could be used to prove (triangle) ACB ~ (triangle) DEC using similarity transformations?

Mathematics

1 answer:

solong [7]2 years ago

5 0

Answer:

C because a b and d do not show any similaritys

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Find the length of diagonal HJ. Round to the nearest hundredth.

Alisiya [41]

Answer:

The length of the diagonal HJ is 10.82 units

Step-by-step explanation:

* Lets revise the rule of the distance between two points

- $d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}$ , where

$(x_{1},y_{1})$ and $(x_{2},y_{2})$ are the two points

* Lets use this rule to find the length of the diagonal HJ

∵ The coordinates of point H are (-4 , 3)

∵ The coordinates of point J are (5 , -3)

∴ $x_{1}=-4$ and $x_{2}=5$

∴ $y_{1}=3$ and $y_{2}=-3$

- Lets find the length of the diagonal HJ by using the rule above

∴ HJ = $\sqrt{(5-(-4))^{2}+(-3-3)^{2}}=\sqrt{(5+4)^{2}+(-6)^{2}}$

∴ HJ = $\sqrt{(9)^{2}+36}=\sqrt{81+36}=\sqrt{117}=10.81665$

∴ HJ = 10.82

* The length of the diagonal HJ is 10.82 units

7 0

3 years ago

How do i simplify the equation tan-5θ-tanθ÷ 1+tan-5θtanθ

iren [92.7K]

Answer:-tan (50) -tan (0) - tan (50) tan (0)

Step-by-step explanation:

any expression divided by one stays the same; simplify the expression using the symmetry of trigonometric functions.

7 0

3 years ago

Solve for a and b in the following circles:<br> B)<br> a а<br> b<br> 82°

Crank

Answer:

A.po ang sagot

Step-by-step explanation:

ty po hope it help wag nyo na lang po kopyhin kung mali yan po kasi answer ko

8 0

3 years ago

Read 2 more answers

-28-6b=8 I can’t get the answer I need help.

SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

-28-6b=8

-6b=36

b=6

5 0

2 years ago

A total of tickets 569 were sold for the school play. they were either adult tickets or student tickets. there were 69 more stud

makkiz [27]

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Define adult and student tickets
------------------------------------------
Let the number of adult tickets be x
Adult tickets = x
Student tickets = x + 69

------------------------------------------
Form equation and solve for x
------------------------------------------
x + x + 69 = 569
2x + 69 = 569 ← Combine like terms
2x = 569 - 69 ← Subtract 69 from both sides
2x = 500
x = 250 ← Divide by 2 to find x

------------------------------------------------------------------------------------
Find the number of adult tickets and student tickets
------------------------------------------------------------------------------------
Adult tickets = x = 250
Student tickets = x + 69 = 319

------------------------------------------------------------------------------------
Answer: Adult tickets = 250 ; Student tickets = 319
------------------------------------------------------------------------------------

7 0

3 years ago