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jek_recluse [69]
3 years ago
14

Plz, help my friend ASAP!!!!!!!

Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0

Answer:56.9

Step-by-step explanation:

easy

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If the diagonals of a parallelogram are equal, then show that it is a rectangle.
Harlamova29_29 [7]

Answer:

Given: In parallelogram ABCD, AC=BD

To prove : Parallelogram ABCD  is rectangle.

Proof : in △ACB and △BDA

AC=BD  ∣ Given

AB=BA ∣ Common

BC=AD ∣ Opposite sides of the parallelogram ABCD

△ACB ≅△BDA∣SSS Rule

∴∠ABC=∠BAD...(1) CPCT

Again AD ∥ ∣ Opposite sides of parallelogram ABCD

AD ∥BC and the traversal AB intersects them.

∴∠BAD+∠ABC=180∘ ...(2) _ Sum of consecutive interior angles on the same side of the transversal is 

180∘

From (1) and (2) ,

∠BAD=∠ABC=90∘

∴∠A=90∘ and ∠C=90∘

Parallelogram ABCD is a rectangle.

4 0
3 years ago
What could be the value for x? 3/14 < x < 3/13
Ksju [112]

Answer:

14^3/100 i think im not 100% sure so if its wrong dont get mad

Step-by-step explanation:

8 0
3 years ago
46 decreased by twice the number
snow_lady [41]

-46

Hope this helps!

May I please have brainliest? :D

4 0
3 years ago
Read 2 more answers
Will mark BRAINLIEST if you help
nlexa [21]
The first box is -7 and the other one is just 7
7 0
2 years ago
Read 2 more answers
I need help with both problems. Which one is true or false and why
stepladder [879]

The first equation can be simplified down to 3 and -\frac{3}{2}[/tex]. Therefore, ">" is correct.

The second equation can be simplified down to 12 and 6.25. Therefore, "<" is incorrect. It should be ">".

5 0
3 years ago
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