Answer:
Vertex. An octagon has eight vertices (corners).
Step-by-step explanation:
Answer:
72 grams
Step-by-step explanation:
7.2 x 10 = 72
Answer:
a = x² + 3x - 40
Step-by-step explanation:
a = l * w
a = (x - 5)(x + 8)
a = x(x + 8) - 5(x + 8)
a = (x² + 8x) + (- 5x - 40)
a = x² + 3x - 40
Answer:
not sure but i think its 425 cm
Step-by-step explanation:
for the square i dont know
how its called in english the surface is 25×10= 250cm
and for the triangle its (25×14):2 = 175cm
so 175 + 250= 425cm