Question

need help
2nd question Multiply. 2 hrs 24 minutes by 2. ​

Answer 1

Answer:

Step by step explanation:

In the first figure,

8×5 - 4×3=28

In the second figure,

12×7 - 8×9=12

so in third figure,

Let the required number be y.

5×5 - 6×y= 19

that implies (25-19)÷6=y

6÷6=y

so the required number is 1

Answer 2

Answer:

main topic of Pythagorean theoram