Question

M
10 cm, find the length of each of its sides.
8. In the adjacent figure, ABCD is a rectangle. If BM and DN are
perpendiculars from B and D on AC, prove that A BMC = A DNA. Is it
true that BM = DN?
B
Aटीना ऐड्रेस इन फिगर एबीसीडी इज ए रैक्टेंगल इन बी एम एम डी एम आर परपेंडिकुलर फ्रॉम बीएनडी ऑन एसी प्रूफ दैट एंगल बी इज इक्वल टू ट्रायंगल डीएन 1 डीएन 1 डीएन ​

Answer 1

Answer:

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Explanation:

In ABMC and ADNA:

∠DNA = ∠BMC = 90°

∠BCM = ∠DAN (alternative angles)

BC = DA (opposite sides)

By AAs congruency criteria:

triangle BMC ≅ triangle DNA (proved)

So, we can write BM = DN.