When is a rhombus a rectangle?
When is a rhombus a rectangle? - 1

Answers

Answer 1
Answer:

A rhombus is a rectangle when all its angles are right angles.

What is a rectangle?

A rectangle is a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.

Given is a rhombus.

A rhombus is a rectangle when all its angles are right angles. Due to this, the tilt of the vertical sides of rhombus will become 0 degrees.

Therefore, a rhombus is a rectangle when all its angles are right angles.

To solve more questions on rhombus, visit the link below-

brainly.com/question/16739227

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Answer 2
Answer:

Answer: D

Step-by-step explanation:

They are rectangles when the sides are 90 degrees. :)


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15 is more than a number x

Answers

Given that 15 is more than a number x, we can represent it by the following inequality:

x < 15

Hope that helped =)

A 100 LB bag of animal feed is 40% oats. How many pounds of oats must be added to this feed to produce a mixture which is 50% oats?

Answers

10 oats must be added to make it 50% of oats in the animal feed

What is the volume of the cone shown below?
17 cm
16 cm

Answers

Answer:

V = 1138.77333333 cm^3

Step-by-step explanation:

The volume of a cone is given by

V = 1/3 pi r^2 h

We know the diameter so we can find the radius

d = 16

r = d/2

  = 16/2 =8

The radius is 8

V = 1/3 pi (8)^2 * 17

V = 1088/3 *pi

Using 3.14 for pi

V = 1138.77333333 cm^3

Which melon has a greater mass , one that is 4 kilograms or one that is 4,100 grams ?

Answers

1 kilograms = 1000 grams
So, The melon which is 4100 grams has a greater mass since 4100 grams = 4.1 Kilograms and 4.1 kilograms is greater than 4 kilograms.

One that is 4,100 grams. A kilogram is 1,000 grams so 4 kilograms is 4,000 grams and 4,100 is bigger than 4,000 therefore 4,100 grams have more mass than 4 kilograms.

Is 87 Prime or Composite

Answers

87 is Composite, not prime

87 :1,3,29,87 

Prime numbers have exactly two factors: 1 and itself. 
Composites have more than two factors.

By what number should we multiply -15/28, so that the product may be -5/7?

Answers

Answer:

4/3

Step-by-step explanation:

First, multiply -15/28 with 4/3.

Second, you need to cross 28 with 7 and 15 with 3.

( - 15)/(28) x (4)/(3) = ( - 5)/(7)

Since 28 divided by 4 is 7, and 15 divided by 3 is 5, therefore this gives the result of 5/7 (with negative sign).

Hope it helps. Thanks!

Answer:

Step-by-step explanation:

Let the number be x

According to question,

x × 20 /−15 =7 /−5

​⇒x=

7×(−15) / (−5)×20

​⇒x= 21/22

So, The other number is 21/22.