Answer:
its 165 i think
Step-by-step explanation: Surface are is the complete are of a shape when its in its template mode or 2d mode. the length of the radius of each triangle is 7 multiply that times 5 would give you 35. Multiply 35 times 4 gives you the area of the 4 triangles. Now the middle is 5 times 5 length times width; this would give you 25 add that and your total should be 165