Answer:
Given in the problem , as ΔBEC is an equilateral triangle , ∠GCD=90°,m∠ECD=30°
Step-by-step explanation:
Step1:
Statement 2:
as ΔBEC is an equilateral triangle
statement 3:
BG ≅ GC as FG is perpendicular bisector given in the problem.
Statement 4.
∠CFG =60° as as ΔBEC is an equilateral triangle
Staement 5 : Reason : All the angles of an equilateral triangle are 60°
step 2 :-
Statement 1.
as ΔBEC is an equilateral triangle is given in the fourth statement of the problem.
Statement 2.
m∠GCE = 60° as it is contained in ΔBEC which is an equilateral triangle. All the angles of an equilateral triangle are 60°.
Statement 3:
∠GCD =90° as ABCD is a square
Statement 4:
m∠ECD=∠GCD-m∠GCE
=90°-60°
=30°
Hence Proved
The fifth term in the sequence would be 161.
Step-by-step explanation:
We have to find the fifth term in the sequence 
Given that
a1 = 1 (that is the first term)
If we follow the formula, the value of every term depends on the value of immediate lower term. Therefore, the a2 can be calculated by putting 2 in place of n in above equation
as a1 = 1
Similarly,
as a2 = 5
and
as a3= 17
and
as a4 = 53
Therefore, the fifth term in the sequence would be 161.
Learn more:
The following links have more information about sequencing
brainly.com/question/7221312
Keywords: sequence, arithmetic series
#learnwithBrainly
Answer:
You can download the answer here
Step-by-step explanation:
First make the denominators the same = 4 5/20 - 3 12/20. Then make them improper fractions= 85/20-72/20= 13/20. Since that is already simplified the answer is 13/20.
