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Answer:
Greatest prime is 83 to test 6971 is prime.
Step-by-step explanation:
To find : What is the greatest prime you must consider to test whether 6971 is prime.
Solution :
To determine whether it is prime or not we check it by taking the root and check the nearest prime factor of it
Step 1 - Take the square root of number 6971
Step 2- The last prime number before 83.49
Prime number is 83
Step 3 - Write all the prime number till 83 and if none of the digit divide 6971 then 6971 is prime.
So the only factors to check for 6971 are: 2, 3, 5, 7, 11, 13, 17, 19,, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83.
None of them divides the number
Therefore, 6971 is a prime number.
Greatest prime is 83 to test whether it is prime or not.
Answer:
1. Rhombus
2. Square
Step-by-step explanation:
1. A rhombus is a quadrilateral whose four sides all have the same length and opposite sides are parallel.
From the diagram, you can see that (given) and all four sides are congruent, thus this shape is a rhombus.
2. A square is a quadrilateral which has four equal sides, four equal angles (90-degree angles) and opposite sides are parallel.
From the diagram, you can see that (given), all four sides are congruent, and all four angles are right angles, thus this shape is a square.