Question

1. A number consists of two digits whose sum is equal to 8. If 18 is added to che
number, the digits interchange their places. Find the number
2. The measure of the angles of a triangle are (x + 20). (2x - 30) and (3x - 50).
Find each of its angles.​

Answer 1

Answer:

let no. be xy

x+y=8

xy+18=yx

the no.is 13

Answer 2

Answer:

The number 35

angle=60°, 50°, 70°