Answer:
2 x 2 x 5,
Step-by-step explanation:
20 = 1 x 20
2 x 10
4 x 5
Factors of 20= 1, 2, 4, 5, 10, 20.
Prime factors are = 2 x 2 x 5,
Answer:
A class room of 10m long and 5 m wide has two windows of size 15 mx 1 m and a door of 1.5 m ×2 m. The cost of making the 4 walls at Rs. 750/m² is 49,500. Find the height of the classroom…
Step-by-step explanation:
A class room of 10m long and 5 m wide has two windows of size 15 mx 1 m and a door of 1.5 m ×2 m. The cost of making the 4 walls at Rs. 750/m² is 49,500. Find the height of the classroom…
I think it’s A. sorry if i’m wrong
Answer:
2x+3x=150 ( sum of opposite interior angle of triangle is equal to the exterior angle)
5x=150
x=150/5
x=30
The top question, is 12’-1
The bottom is 12’2
The exponents are subtracted first which is just basic addition/ subtraction. Good luck!