Answer:
a²+b²=126
Step-by-step explanation:
(a+b)²=a²+b²+2ab
(12)²=a²+b²+2×9
144=a²+b²+18
a²+b²=144-18=126
Answer with explanation:
It is given that , when polygon ABCD is rotated by 70°in counterclockwise direction about point E to give polygon A'B'C'D'
When a Quadrilateral is rotated
1. The shape and size of two Quadrilateral do not change.
2. The Interior angle of two quadrilateral will also not change.
the Only relation ship which will be true is
Option C →m∠ABC=m∠A'B'C'
When we rotate a geometrical shape by a certain angle,it's interior angle do not change.
Answer:
Number of cookies each friend gets = 14 cookies
Step-by-step explanation:
Total cookies available for the party = 98
Number of friends invited = 7
how many did each freind get
Number of cookies each friend gets = Total cookies available for the party / Number of friends invited
= 98/7
= 14 cookies
Number of cookies each friend gets = 14 cookies
Answer:
Answer is A
Step-by-step explanation:
Use the the pythagorean theorem
x=√12²+5²
x=13
This awnser is 309 and has 11.22 as the fraction