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daser333 [38]
3 years ago
11

How do I prove that a quadrilateral is a rectangle?

Mathematics
2 answers:
erica [24]3 years ago
8 0
There are a few criterias...
One angle is a right angle
Two pairs of opposite sides that are congruent
Congruent diagonals
Opposite sides are parallel...

Hope this helps please give me a 5-rate, thanks, and brainliest!
maw [93]3 years ago
7 0
I think you want to prove that a rectangle is a quadrilateral. You can prove this with definitions. The definition of a quadrilateral is that it is a shape with four sides. Since a rectangle has four sides, that proves that a rectangle is a quadrilateral. 
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3 years ago
Point C on line segment BD. Given BD = 5x, BC = 4x, and CD = 4,
Llana [10]

Answer:

The numerical length of BD is 20 units

Step-by-step explanation:

Let us solve the question

∵ Point C lies on the line segment BD

→ That means C divides BD into 2 parts

∴ C divides BD into 2 parts BC and CD

∴ BD = BC + CD

∵ BD = 5x

∵ BC = 4x

∵ CD = 4

→ Substitute them in the equation above

∴ 5x = 4x + 4

→ Subtract 4x from both sides

∵ 5x - 4x = 4x - 4x + 4

∴ x = 4

→ Substitute the value of x in the expression of BD

∵ BD = 5x

∵ x = 4

∴ BD = 5(4) = 20

∴ The numerical length of BD is 20 units

4 0
3 years ago
I need help please?!!!!!
lora16 [44]

Answer:7y

Step-by-step explanation:

i think its 7y

8 0
3 years ago
Graph the line x = -3
-BARSIC- [3]

Answer:

Draw a vertical line passing through (-3,0)

5 0
4 years ago
Donna Meagle notices that on 12 out of 14 days, her clumsy coworker Jerry Gergich spills his lunch on himself. She concludes tha
pantera1 [17]

Answer:

It is an example of an empirical probability.

Step-by-step explanation:

The empirical probability, also called experimental probability of an event is the ratio of the number of outcomes in which a specified event occurs to the total number of trials, not in a theoretical sample space but in an actual experiment.

Theoretical probability is probability that is determined on the basis of reasoning.

It is evident that the probability in the question was arrived at after the outcome of 14 days of whether Jerry Gergich spilled his lunch on himself or not.

It's an actual result of an experiment, hence the 12/14 = 0.86 = 86% that he spills his lunch on himself tomorrow.

Hope this Helps!!!

6 0
4 years ago
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