Answer:
30 cm^2.
Step-by-step explanation:
This is a right angled triangle because it fits the Pythagoras theorem ( 13^2 = 12^2 + 5^2).
The area = 1/2 * 12 * 5
= 30 cm^2.
Answer:
18,300
Step-by-step explanation:
Answer:
4x^2+4x-4
Step-by-step explanation:
8x^2 + 3x - 4x^2 + x - 4
= 8x^2 - 4x^2 + 3x + x - 4
= 4x^2 + 4x - 4
Just multiply 5x12 which is 60
Two consecutive integer, if one is x, the other is x+1
x+x+1=49
2x=48
x=24
so the two consecutive integers are 24 and 25