Answer:
Step-by-step explanation:
25) hypotenuse² = base² + altitude²
= 10² + 8²
= 100 + 64
= 164
hypotenuse = √164 = 12.8
Perimeter = 10 +8 + 8 + 12.8 + (12.8 -10)
= 10 + 8 + 8 + 12.8 + 2.8
= 41.6
