Please help! I'm raising the points to anyone that GIVES AN ANSWER- Answers such as "I'm just doing this for points" or "I don't
know I want to help you" will be reported.
1 answer:
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Answer:
4
Step-by-step explanation:
use the Pythagoras' theorem
formula for an ABC triangle( right angled)
AB is height
BC is hypotenuse
CA is length
=
+
in your case
AB is 7
BC is 8
CA is unknown so we write x
=
+
64=49+
64-49=
15=
=x
3.87=x
4=x