Question

please proof it guys ​

Answer 1

isosclaus triangle has 180

one side are 90

and other side we let x

90+x+x=180

90+2x=180

2x=180-90

2x=90

x=90/2

x=45

other two side are 45 and third side are 90

45+45+90=180

180=180

hense proved

Answer 2

Step-by-step explanation:

try to understand .hope you I'll solve it