Mathematics & Science (optional block)

Square side 77. Perimeter?

Circle radius 79. Circumference? (π=22/7)

Circle radius 115. Circumference? (π=22/7)

Rectangle 84×165. Area?

Triangle angles 81°, 93°. Third?

Rectangle 48×93. Area?

Triangle angles 101°, 73°. Third?

Square side 161. Perimeter?

Square side 169. Perimeter?

Circle radius 31. Circumference? (π=22/7)

Triangle angles 141°, 33°. Third?

Circle radius 103. Circumference? (π=22/7)

Circle radius 123. Circumference? (π=22/7)

Square side 121. Perimeter?

Circle radius 187. Circumference? (π=22/7)

Square side 153. Perimeter?

Triangle angles 221°, -47°. Third?

Triangle angles 105°, 69°. Third?

Rectangle 148×293. Area?

Rectangle 180×357. Area?

Triangle angles 33°, 46°. Third?

Triangle angles 185°, -11°. Third?

Triangle angles 45°, 70°. Third?

Circle radius 191. Circumference? (π=22/7)

Square side 49. Perimeter?