A triangle has the length of its height and base increased by 100%.Complete this sentence by entering a digit:The new area of the triangle will be times as large as the old area.

If every side of a triangle is tripled then increase in area of triangle is:200%300%400%800%

If every side of a triangle is doubled, then increase in the area of the triangle isSelect an answerAB200%C300%D400%

A triangle has sides of length 10 cm, 8 cm and 9 cm.(a) Calculate, in degrees to the nearest 0.1∘ , the size of the largest  angle of this triangle.(b) Find, to 3 significant figures, the area of this triangle.

Complete this sentence: After a congruence transformation, the area of a triangle would be _________________ it was before.A.cannot be determinedB.the same asC.greater thanD.less than

An altitude of a triangle is five-thirds the length of its corresponding base. If the altitude wasincreased by 4 cm and the base is decreased by 2 cm, the area of the triangle would remains thesame. The altitude of the triangle is