Answer:
14)
21√2
15)
Leg: 7√3
Hypotenuse: 14
Step-by-step explanation:
The hypotenuse is √2 as long as each leg. That means the leg is 42/√2. Simplified to make 21√2.
The hypotenuse is always twice as long as the shortest leg on a 30-60-90 triangle. The longer leg is √3 as long as the shortest side.
Answer:
40 square units
Step-by-step explanation:
First of all, lets say that square has side
, so, the area unit is 
the diagonal's square is 
CALCULATION OF TRIANGLES'S AREA (there are 4 triangles)

CALCULATION OF MAIN SQUARE AREA

TOTAL AREA

the answer is supposed to be 132 at the most of a
for b it is 165
Answer:
20
Step-by-step explanation:
count the dots