Selina solutions

Selina solutions

Grade 6

Quadrilateral | Exercise 27(B)

Question 12

Q12) In parallelogram ABCD, ∠A = 90° (i) What is the measure of angle B. (ii) Write the special name of the paralleogram.

Solution:

In parallelogram ABCD, A = 90

(i) In a parallelogram adjacent angles are supllementary

∠A+∠B = 180°

90° +∠B = 180°

∠B = 180° - 90°

∠B = 90°

(ii) The name of the given parallelogram is a rectangle

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subject-cta

Question 12

Q12) In parallelogram ABCD, ∠A = 90° (i) What is the measure of angle B. (ii) Write the special name of the paralleogram.

Solution:

In parallelogram ABCD, A = 90

(i) In a parallelogram adjacent angles are supllementary

∠A+∠B = 180°

90° +∠B = 180°

∠B = 180° - 90°

∠B = 90°

(ii) The name of the given parallelogram is a rectangle

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subject-cta
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