Answer:
a.
Step-by-step explanation:
answer ko dyan is letter a ehh
To find the decreased percentage,here's what we can do:

In this case,the eqaution would be:

Hope it helps!
Answer:
25
Step-by-step explanation:
1/2 b h
1/2×10×5=25
so i guess the ans is 25 thats all I know
u take 1/2 base ×height
Answer:
10
Step-by-step explanation:
6²+8²
=100
√100
=10