MCQ
Assertion (A): Triangle have 1 diagonal.
Reason (R): A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • A is false but R is true.

Answer

Correct option: D.
A is false but R is true.
D

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Directions : In the following questions, the Assertions $(A)$ and Reason $(s) \ (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $ (A) : a + b = b + a$ is called commutative law of addition
Reason $(R) :$ Rational numbers are commutative under addition and multiplication
Assertion (A) : The probability of occurrence of an event may be greater or smaller than 1.
Reason (R) : The probability of a sure event is 1.
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The value of $x^2+ y^2$ when $x = 1, y = 2$ is $5$.
Reasons $(R)$: a numerical coefficient is defined as a fixed number that is multiplied to a variable
 
Assertion (A): If 252 = 625, then the square root of 625 is 125
Reasons (R): The square root is the number that we need to multiply by itself to get the original number.
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: nonsquare numbers he between the pair of numbers $500^2$ and $501^2$ are $1001$
Reasons $(R)$: squares of $12$ and $13$ and then subtract square of $12$ from square of $13$, we get numbers of non-square numbers
Assertion (A): Each of the numbers 400, 900,1600 and 2500 is a perfect square.
Reason (R): A number ending in an even number of zeros is always a perfect square.
Assertion (A): The volume of a cylinder of base radius r and height h is $\pi\text{r}^{2}{\text{h}}$
Reasons (R): The volume of cylinder is the amount of space in it. It can be obtained by multiplying its base area by its height.
Observe the following temperature time graph and consider it as reasons for the following assertions:

Assertion (A): The difference of temperatures at 7 hours and 21 hours is 10F.
Assertion (A): If the diagonals of a quadrilateral bisect each other then it is a parallelogram.
Reason (R): The opposite sides being equal and parallel, a parallelogram is a symmetrical figure and so diagonals bisect each other.
Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:Observe the following histograma nd consider it as reasons for the following assertions:

Assertion (A): The sum of the number of students in the class intervals $10 - 15$ and $20 - 25$ is $800$