PLEASE ANSWER ITS THE LAST QUESTION!! A, B & C form a triangle where ∠ BAC = 90°. AB = 8.4 mm and CA = 7 mm. Find the length of BC, giving your answer rounded to 1 DP.

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YoavKlein asked Nov 3, 2023

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PLEASE ANSWER ITS THE LAST QUESTION!!

A, B & C form a triangle where
∠
BAC = 90°.
AB = 8.4 mm and CA = 7 mm.
Find the length of BC, giving your answer rounded to 1 DP.

Mathematics
college

YoavKlein asked Nov 3, 2023

by YoavKlein

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1 Answer

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Answer:

The length of BC would be 12.2 mm.

Explanation:

Given,

In triangle ABC,

∠BAC = 90°,

Thus by the Pythagoras theorem,

We have,

AB = 9.6 mm and CA = 7.6 mm,

By substituting the values,

Explanation:

Mats Petersson answered Nov 7, 2023

by Mats Petersson

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