Answer:7+a
Step-by-step explanation:multiply 7 by a
300m because area is Length x width and it's 3x as big as 10 meters it's 30 x 10= 300
Answer:
44°
Step-by-step explanation:
The sum of the angles in a triangle = 180°
In an isosceles triangle the base angles are equal, thus
base angle =
=
= 44°
Is this a year 9 question and if yes I do not have a clue lol
B I think not sure ......