find the sum of 5 x square - 7 x square 8 x square 11 x squared minus 9 x square
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4
Answer:
Since, AB = AC, therefore, ∠B=∠C
By angle sum property of triangle,
∠A+∠B+∠C=180
o
70
o
+2∠B=180
o
2∠B=110
o
∠B=55
o
Hence, ∠B=∠C=55
o
Answered by
3
Step-by-step explanation:
the sum of 5x square, -7x square, 8x square, 11x square and - 9x square
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