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Talja [164]
3 years ago
9

Emma claims that if two lines r and s are parallel, and if t is perpendicular to r, t must also be perpendicular to s. Is this t

rue? Explain.
Mathematics
1 answer:
oee [108]3 years ago
3 0

Answer: Yes, because the perpendicular traversal theorem

Step-by-step explanation:

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Jane made a door frame for the house but does not have a tool to measure the angles. How can she check that the corner is 90 deg
Ainat [17]

The door frame is a rectangle. The diagonals of a rectangle are congruent. She can measure the two diagonals and make sure they are congruent.

3 0
3 years ago
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Below are the results of tossing a number cube 7times. Find the experimental probability of tossing an even number. 6 4 3 2 5 3
Daniel [21]
3/7 or 3:7 because you tossed the dice 7 times and got an even number 3 of those times.
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3 years ago
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I need help again...
Vsevolod [243]
1. 80cm
2. 48cm
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8 0
3 years ago
The ratios of corresponding sides in the two triangles are equal. What other information is needed to prove that △FGE ~ △IJH by
schepotkina [342]

solution: option B and C both are correct i.e., option C is correct i.e., ∠E ≅∠H and ∠I ≅ ∠F .

option C is correct i.e., ∠E ≅∠H.

explanation:

it is given that ratio of corresponding sides of ΔFGE and ΔIJH are equal

i.e.,  

\frac{GE}{JH}=\frac{EF}{HI}

and if ∠E ≅ ∠H

Then ΔFGE and ΔIJH are similar by SAS (side angle side) similarity theorem.  

so option C is correct i.e.,  ∠E ≅ ∠H.

and option B is also correct

explanation:

since it is given that

\frac{FG}{IJ}=\frac{EF}{HI}

And if ∠I ≅ ∠F

then  ΔFGE and ΔIJH are similar by SAS (side angle side) similarity theorem.  

7 0
4 years ago
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A radio set was sold for 570 at a loss of 25 percent on the cost price find the cost price
Helga [31]

Answer:

712.50 is the cost price.

Step-by-step explanation:

570 increase 25% =

570 × (1 + 25%) = 570 × (1 + 0.25) = 712.5

7 0
2 years ago
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