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3 years ago

Parallelogram PQRS has diagonals that are perpendicular. Based on that, which statement is most correct?

Mathematics

2 answers:

viva [34]3 years ago

4 0

Answer:

B- Parallelogram PQRS is also a rhombus.

Step-by-step explanation:

Given

Parallelogram PQRS with perpendicular diagonals

Required

Which of the option is true

(a) PQRS can be a rectangle

A rectangle do not have perpendicular diagonals.

Hence, (a) is false

If (a) is false, then (d) is also false

(b) PQRS can a rhombus

The diagonals of a rhombus are not perpendicular.

So (b) is true

No need to check for (c), since only option is true

Sveta_85 [38]3 years ago

3 0

Answer:

B- Parallelogram PQRS is also a rhombus.

Step-by-step explanation:

Hope this helps

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2. Lamar purchases comic books at garage

Otrada [13]

Answer:

Lamar will charge $\$7$ to the comic dealer for a comic book.

Solution:

It is given that lamar purchases a comic book for $\$4$ . He then marks up the price of a comic book by $75\%$ which means he increases the price of the book by $75\%$ and then sells it to the comic dealer.

We have to find out how much will he charge the comic book dealer.

New price of the book after lamar marks up the price is given by

New price $= \$4 + \frac{75}{100} \times \$4$

= $\$4 + \$3$ $= \$7$

Thus, lamar will charge $\$7$ to the comic dealer for a comic book.

4 0

3 years ago

What is the area of the playground shown? The edges of the playground meet at right angles, except for the edge whose length is

Dennis_Churaev [7]

Answer:

520,000

Step-by-step explanation:

1400 x 200 = 280000

(400 + 800) x 400 /2 = 240000

240000 + 280000 = 520000

3 0

2 years ago

Hunter is 4.52 feet tall. His sister is 0.75 times his height. How tall is Hunter's sister

Dominik [7]

Answer:

Hunter's sister is 4.53 feet tall.

Step-by-step explanation:

4.52 x 0.75 = 3.39 feet

4 0

3 years ago

What’s the correct answer for this?

Arlecino [84]

I do believe it is the second one

8 0

3 years ago

For ΔABC, ∠A = 3x - 8, ∠B = 5x - 6, and ∠C = 4x + 2. If ΔABC undergoes a dilation by a scale factor of 1/2,

disa [49]

Answer: angle A=40, Angle B=74, Angle C=66

Step-by-step explanation:

We all know that a triangle has 180 degrees.

3x-8+5x-6+4x+2=180

12x-12=180

12x=180+12

12x=192

x=16.

∠A=2(16)+8=40

∠B= 90-16=74

∠C = 5(16) -14= 66

5 0

3 years ago