Answer:
12
Step-by-step explanation:
substitute
4(4-1)
4(3)
12
Answer:
27
Step-by-step explanation:
I dont know
trying asking your teacher
Answer:
12cm^2
Step-by-step explanation:
1/2 x diagonal x diagonal
Answer:
using Pythagoras rule, 16^2 -7^2 =a^2
so 256-49 = 297.
√207 =14.38 to the nearest tenth of an inch is 14inch.which is your answer