Answer:
1.0×10^2 cm is a scientific notation for 100
Answer:
Step-by-step explanation:
Answer:
Undefined (They are not equal)
Step-by-step explanation:
None
1) 43
2) 21
step by step:
Both triangles are right triangle which means they're equal to 90.
1) 23+24+X= 90
47+x= 90
x= 90-47
X= 43
2) 30+39+X= 90
69+X= 90
X= 90-69
X= 21