Question

ABCD is a parallelogram: If ZA = 70°, calculate 2B, 2C and D​

Answer 1

$\huge{ \underline{ \mathcal{Answer - }}}$

ᴀɴɢʟᴇ ʙ + ᴀɴɢʟᴇ ᴀ = 180 ( ᴄᴏ. ɪɴᴛ. ᴀɴɢʟᴇ)

ꜱᴏ, ᴀɴɢʟᴇ ʙ = 110

ᴀɴɢʟᴇ ᴄ + ᴀɴɢʟᴇʙ =180(ᴄᴏ. ɪɴᴛ. ᴀɴɢʟᴇ)

ꜱᴏ, ᴀɴɢʟᴇ ᴄ= 70

ᴀɴɢʟᴇᴄ+ ᴀɴɢʟᴇᴅ=180 (ᴄᴏ.ɪɴᴛ. ᴀɴɢʟᴇ)

ꜱᴏ, ᴀɴɢʟᴇ ᴅ= 110