12 2 +16 2 = D2
D2= 144+256
D2= 400
D2= 400
Answer:
8
Step-by-step explanation:
Area of a triangle= bh/2b=4in h=8in8x4/2=16in
there are 4 triangles
4x16=64
area of a rectangle=bh
4x4=16
64+16=80in^2
See, pls, this:
If ∠y=∠CBD, then in
ΔABX: ∠A=40°; ∠X=90° ⇒ ∠ B=180-(40+90)=50°.
∠B of ΔABX=∠CBD=∠y=50°.
Answer: 50°.
I think that it might be 5... ? I'm not sure though don't blame me if its wrong.