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mr_godi [17]
3 years ago
13

Help Please!! What is the value of a? Enter your answer in the box. a =

Mathematics
1 answer:
Talja [164]3 years ago
6 0

Answer:

a=15

Step-by-step explanation:

By pythagoras' theorem

25²=20²+a²

625=400+a² group like terms

a²=625-400

a²=225

\sqrt{a {}^{2} }  =  \sqrt{225}

therefore a=15

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<h3>What is decision-making?</h3>

The process of making choice is by identifying the correct decision, gathering information, and assessing alternative solutions.

The table is shown below.

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brainly.com/question/3369578

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