Answer
35
Step-by-step explanation:
Using Pythagoras theorem since it's a right angle triangle,
The missing side, say h,is the hypotenuse
28²+21²= h²
784+441=h²
√1225=√h²
h=35
Answer:
6.25 dont fake ur grade plz
Step-by-step explanation:
Answer:-8
Step-by-step explanation:
8+4a=3a
8=3a-4a
8=-a
a=-8
Answer:ayayaa
Step-by-step explanation: