Which main sentence can be used to determine if inis mangle is a nghi riangle?
20
O 20+21 = 29
0 202 +212 = 292
O 29+21 = 20
292 +212 - 202

It's the second one

20^2 +21^2 = 29^2

Because of the Pythagorean Theorem

Step-by-step explanation:

the solution is x=1

step-by-step explanation:

we are given our   equation as

let's assume

left side function is

right side function is

now, we can draw graph

and then we can get intersection point

the intersection point will be solution

so, the solution is

x=1

4

step-by-step explanation: