**Answer:**

25

**Step-by-step explanation:**

2x5 + 3x5

(10)+(15)

25

**Answer:**

**Step-by-step explanation:**

DC=2-0=2

Or

DC=√[(2-0)²+(-2-(-2))²]=√[4+(-2+2)²]=√4=2

BC=(0-(-2))=2

Or

BC=√[(2-2)²+(-2-0)²]

=√[0+4]

=2

AB=√[(2-0)²+(0-4)²]

=√[4+16]

=√20

=2√5

Perimeter=2[DC+BC+AB]

=2[2+2+2√5]

=2[4+2√5]

=8+4√5 Units

**Answer:**

17.46

**Step-by-step explanation:**

c²=a²+b²

c²= 7²+16²

c = √ans

I think answer should be the first option