Yes offcourse he's correct as rhombus diagonals bisect each other at 90degree whereas parallelogram's diagonals doesn't
Answer: 17
Step-by-step explanation:
y= 1
(3y + 2)(7y)
(3(1) + 2(7(1)) Replace y with given number
(3 + 2(7)) Multiply 1 to 3 and 7
(3 + 14) Multiply 2 and 7
(17) Add 3 and 14
Answer: 47
Step-by-step explanation:
I just worked it out and checked my work with a calculator :)