Question

1 Look at this pattern of trapezium made with
matchsticks and answer the following questions. How
many matchsticks do you think are needed to make:
(i) 5 trapeziums?
(ii) 9 trapeziums?
(iii) 20 trapeziums?
(iv) 45 trapeziums?
(v) n trapeziums?
Write down the generalised formula for n trapezium.​

Answer 1

Answer:

7n because each for trapezium

we need 7 matchsticks ANSWER

Step-by-step explanation:

(1)for 5 we need 35

(2)for 9 we need 63

(3)for 20 we need 140

(4)for 45 we need 315

(5) for n we need 7*n

matchsticks ANSWER