2 years ago

19. Given ABCD is a quadrilateral with AB//CD and AB=CD.

Mathematics

1 answer:

alisha [4.7K]2 years ago

5 0

Answer:

I didnot known its answer.I am really sorry.

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A different way of proving the angle sum of a triangle is to use diagram

marishachu [46]

a.yes

Step-by-step explanation:

a.angle BCD =b because angle BCD is alternate angle of angle ABC

b.the two angles angle BAC and angle ACD is co-interior angle because they are inside a parallel line

7 0

3 years ago

A ladder leans against the side of a house. The angle of elevation of the ladder is 68° when the bottom of the ladder is 16 it f

choli [55]

Answer:

The length of the ladder = 6.5077 ft

Step-by-step explanation:

Given A ladder leans against the side of a house

Given the angle of elevation of the ladder is 68° when the bottom of the ladder is 16 ft from the side of the house

Let 'C' be the point of observation.

Given CA= 16 ft

From right angle triangle

x = 16 × cos 68°

x = 16 × 0.4067

x = 6.5077

x = 6.5 ft

The length of the ladder = 6.5 ft

8 0

3 years ago

Please help me with the question

nikdorinn [45]

Answer:

4p,q+r

4p(q+r)

4pq+4pr

3 0

3 years ago

Vega swam her leg of the race in 27.98 seconds and Janice swam her leg of the relay race in 25.679 seconds. What was their combi

morpeh [17]

To get their combined time, get the sum of Vega's time and Janice's

$27.98\text{ sec}+25.679\text{ sec }=53.659\text{ sec}$

Therefore, their combined time for their part of the relay is 53.659 seconds.

6 0

1 year ago

What is the exponential form of 100000

Yanka [14]

Answer:

10^4

Step-by-step explanation:

8 0

3 years ago